Negotiable

Category: Hardware & Tools/Pipe Fittings/Tee Fittings

Company: 衡水长江预应力有限公司

Product Description: GPZ(II)4SXmm Pot Bearing Processing Bridge Bearings Contact Me for OrderingJPZ (II) Pot Bearing Product Introduction and Construction GuideJPZ (II) pot bearings are a type of high-performance bearing commonly used in bridges, buildings, and other engineering projects. As a second-generation improved product, they offer enhanced load-bearing capacity, displacement adaptability, and durability. Suitable for long-span bridges and heavy-load structures, they effectively transfer loads and accommodate structural deformations.1. Product FeaturesHigh Load-Bearing Capacity: Made from high-strength steel and high-quality rubber composite materials, capable of withstanding significant vertical and horizontal loads.Multi-Directional Displacement Adaptation:Fixed Type (GD): Allows rotation only, GPZ(II)4SXmm Pot Bearing Processing Bridge Bearings Contact Me for Ordering restricts horizontal and vertical displacement.Unidirectional Activity Type (DX): Permits horizontal movement in one direction (longitudinal or transverse).Bidirectional Activity Type (SX): Allows free horizontal movement in both directions.Strong Durability: Utilizes multi-layer rubber sealing rings, stainless steel sliding plates, and anti-corrosion coatings to extend service life.Excellent Seismic Performance: Optimized design accommodates large displacement demands during earthquakes.Standardized Installation: Designed in compliance with the **GB/T 17955 "Bridge Pot Bearings"** standard, facilitating construction adjustments.2. Applicable Engineering ScopeHighway Bridges (box girders, T-beams, continuous beams, etc.)Railway Bridges (high-speed railways, heavy-haul railways)Urban Viaducts and InterchangesLong-Span Building Structures (stadiums, exhibition centers, etc.)Special Engineering Projects (hydropower stations, nuclear power plants, etc.)3. Construction and Installation Guide(1) Pre-Construction PreparationBearing Selection: Choose the appropriate model (GD/DX/SX) based on design load, displacement (horizontal, rotational), GPZ(II)4SXmm Pot Bearing Processing Bridge Bearings Contact Me for Ordering and seismic requirements.Inspect the Bearing: Ensure no deformation or cracks; keep sliding surfaces clean and free of impurities.Measurement and Layout: Accurately mark the installation position of the bearing, ensuring elevation and levelness meet design requirements.(2) Installation StepsFixed Bearing (GD Type)Embedded Steel Plate Installation: Pre-embed the lower steel plate of the bearing on the pier or abutment, ensuring flatness.Bearing Placement: Hoist the bearing to the design position and adjust for levelness and elevation.Grouting Fixation: Use high-strength non-shrink grouting material to fill the bottom of the bearing, ensuring compactness.Movable Bearing (DX/SX Type)Install Lower Plate: Pre-embed and level the lower plate, ensuring correct sliding direction.Place Bearing Main Body: Hoist the bearing, ensure the sliding surface is clean, and apply lubricating silicone grease.Install Upper Plate: Weld or bolt connect to the pre-embedded steel plate at the beam bottom, ensuring levelness.(3) Construction Quality ControlHorizontal Deviation ≤ 1mmElevation Error ≤ 2mmSliding Surface Clean and Uncontaminated, ensuring free slidingGrouting Compactness, no voids(4) Post-Installation InspectionCheck if the bearing is in close contact with the beam and pier/abutment.Perform simulated load tests (if necessary) to verify bearing performance.Regularly inspect bearing displacement and rubber aging during long-term use.4. Maintenance and CareRegular Inspection (every 3~5 years): Observe rubber sealing rings, sliding surface wear, and corrosion.Cleaning and Lubrication: Remove dust and debris; replenish silicone grease lubricant.Abnormality Handling: If restricted displacement, abnormal noise, or deformation is detected, repair or replace promptly. more>

Negotiable

Category: Hardware & Tools/Pipe Fittings/Tee Fittings

Company: 衡水长江预应力有限公司

Product Description: JQZ(II)-15000kN Spherical Bearing Manufacturer Specializes in Producing Highway Bridge Spherical Bearings, Contact Me for ConsultationIntroduction and Installation Guide for JQZ(II) Spherical Bearings1. Introduction to JQZ(II) Spherical BearingsJQZ(II) spherical bearings are a type of spherical steel bearing suitable for structures such as bridges and buildings. They belong to fixed or unidirectional/multidirectional sliding bearings, featuring high load-bearing capacity, flexible rotation, and excellent durability.Main Features:Structural Composition: Consists of an upper bearing plate, lower bearing plate, spherical crown liner plate, JQZ(II)-15000kN Spherical Bearing Manufacturer Specializes in Producing Highway Bridge Spherical Bearings, Contact Me for Consultation polytetrafluoroethylene sliding plate (PTFE), stainless steel plate, etc.Load-Bearing Capacity: Capable of withstanding vertical pressure, horizontal forces, and rotational displacement, suitable for long-span bridges, high-pier bridges, etc.Low Friction Coefficient: Utilizes PTFE sliding plates with a small friction coefficient (typically ≤0.03), accommodating bridge expansion and contraction deformations.Seismic Performance: Some models are equipped with seismic functions, making them suitable for earthquake-prone areas.Applicable Standards:GB/T 17955-2009 "Spherical Bearings for Bridges"JT/T 873-2013 "Spherical Bearings for Highway Bridges"2. Installation Steps for JQZ(II) Spherical Bearings(1) Pre-Installation PreparationCheck Bearing Model: Verify the design drawings to ensure the bearing specifications, JQZ(II)-15000kN Spherical Bearing Manufacturer Specializes in Producing Highway Bridge Spherical Bearings, Contact Me for Consultation model, and direction (fixed/sliding) are correct.Check Embedded Parts: Ensure the embedded steel plates on the pier or beam bottom are flat, clean, and free from rust, oil stains, etc.Measurement and Positioning: Use a total station or level for precise layout, ensuring the centerline of the bearing aligns with the bridge axis.(2) Bearing Installation1. Temporary Fixation of Bearings:Use temporary supports or bolts to secure the bearings and prevent displacement.Check the levelness of the bearings; the error should be ≤2mm.2. Welding or Anchoring:Welding Method: Weld the bearing base plate to the embedded steel plate using symmetrical segmented welding to avoid thermal deformation.Anchoring Method: Use high-strength bolts for fixation, tightening them to the design torque.3. Installation of the Beam Body:During beam hoisting, ensure slow and steady lowering to avoid impacting the bearings.Check for uniform contact between the bearings and the beam bottom, ensuring no suspension occurs. more>

$6500

Category: Hardware & Tools/Cutting Power Tools/Drill Bits

Company: 郑州市海旭磨料有限公司

Product Description: Aluminum-Copper-Magnesium Composite Alloy Sandblasting Alumina 24 Grit White Fused Alumina Sand 0.5-1mmWhite fused alumina sand for sandblasting is produced from fully smelted and crystallized white fused alumina fixed furnace materials through processes such as crushing and screening. The particle size range of white fused alumina for sandblasting is strictly controlled to ensure the abrasive grains are within a specific range. Sandblasting results in a uniformly rough surface. White fused alumina has good toughness, strong grinding ability, and excellent self-sharpening. When blasted onto the surface of workpieces, it creates indentations through the impact force of the airflow. The passivated sandblasted surface enhances the adhesion of subsequent paint coatings. White fused alumina abrasive grains also offer high sandblasting efficiency and high utilization rates.WFA Abrasive blasting media is made of 99% aluminum oxide powder as raw material, which is refined and crystallized by electric melting (thus white corundum is also called fused alumina and white fused alumina). The white corundum sand produced by our factory has high purity, low impurities, low sodium content, uniform particles and high whiteness.Chemical Composition of White Fused Alumina (Typical Indicators):White Fused Alumina GritWhite Fused Alumina Micro PowderWhite Fused Alumina GrainWhite Fused Alumina Fine PowderAL2O399.53%99.27%99.59%99.28%SiO20.13%0.14%0.01%0.14%NA2O0.23%0.28%0.24%0.27%Fe2O30.07%0.06%0.02%0.05%CaO0.03%0.05%0.02%0.04%Physical Properties of White Fused Alumina Abrasive:ColorWhiteMohs Hardness9.0Knoop Hardness2000 - 2200 Kg/mm2Service Temperature1900℃Melting Point2250℃Specific Gravity3.95g/cm3Bulk Density3.6g/cm3Packing Density1.55-1.95 g/cm3Specific Heat0.26 cal/g.℃(20-90℃)Thermal Conductivity6.16W/（m·K）（1000℃）Linear Expansion Coefficient8.0×10-6/℃（200-1000℃）Refractive Indexe=1.760 w=1.768Chemical ReactionAcidic Substances: Slightly corrosive in aqua regia and hydrofluoric acid;Alkaline Substances: Slightly reactive only with strong alkaline hot solutionsCrystal FormTrigonal SystemProduct Models of White Fused Alumina:Grain0-1mm,1-3mm，3-5mm，5-8mmFine Powder100#-0,200#-0,270#-0,325#-0GritF8 F012 F014 F016 F020 F022 F024 F030 F036 F040 F046 F054 F060 F070 F080 F090 F100 F120 F150 F180 F220Micro PowderW Standard: W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5European Standard: F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000JIS Japanese Standard: 240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# 10000#Main Performance Characteristics of White Fused Alumina:1. White fused alumina has a microhardness of 20.58 GPa, Vickers hardness of 2200-2400 kg/mm², and Mohs hardness of 9.0. It can be used for sandblasting on most metals, cast steel, cast iron, non-ferrous metal alloys, chromium/manganese/tungsten/molybdenum-containing metals, glass, and other non-metallic materials.2. White fused alumina has strong grinding ability and high sandblasting efficiency. Due to its excellent self-sharpening properties, it does not cause burning or oxidation on the sandblasted surface.3. White fused alumina can also be directly used for grinding, polishing, surface treatment, sandblasting rust removal, and other applications. It is suitable for dry and wet sandblasting, surface roughening and polishing, and surface treatment passivation before coating.4. White fused alumina has high purity, with the main crystal phase being α-alumina. It contains low impurities and magnetic materials, leaving no chemical residues after sandblasting. It can be used for sandblasting mechanical components in the medical, aerospace, and food industries.Characteristics of white fused corundum:1. Because the white fused alumina has good self-sharpening, strong toughness, strong grinding ability, hardness higher than brown corundum, and low heat generation, it can not only be used as a raw material for abrasive tools such as cutting discs and grinding wheels.2. White fused corundum can also be directly used in grinding and polishing, surface treatment, sandblasting and rust removal, and can be used in dry and wet sandblasting, surface polishing and polishing, and surface treatment before spraying.3. Fused alumina sand has strong wear resistance, so it is suitable as an additive material for wear-resistant products.4. White fused corundum has high refractory temperature, acid and alkali corrosion resistance, and good thermal performance. It can be used as high temperature resistant materials such as casting surface sand, thermally conductive ceramics, and high temperature resistant glue. It is widely used in casting, steel refractory, chemical refractory, 95 batteries, decorative porcelain and other special ceramics and porcelain for daily life, as well as high-tech industries such as semiconductors and electronics.Applications:Sandblasting and passivation of non-ferrous metals such as aluminum alloy and zinc alloy.Surface treatment of metal parts, including sandblasting, rust removal, and coating preparation.Sandblasting and atomization of colored inlaid glass and decorative glass.Sandblasting and passivation of dental prostheses, pre-treatment for bonding.Surface treatment of materials such as ceramic tiles.Sandblasting production lines for kitchenware and cookware.Surface treatment of wooden furniture and bamboo products by sandblasting.Sandblasting and etching of stainless steel, alloy steel, and cast steel.Surface cleaning of composite materials and plastic products by sandblasting.Micro-sandblasting of semiconductors and semiconductor packaging equipment.Applications of WFA Abrasive blasting media:1. Metal sandblasting surface treatment:Removing the oxide layer of metal, stainless steel, aluminum alloy, tungsten molybdenum, copper products and other materials. Abrasive sandblasting to remove rust. White aluminum oxide grain has strong grinding ability and high efficiency. It can be recycled and will not leave residues on the surface of the workpiece. White aluminum oxide grain does not contain iron, sulfur, chlorine and other elements. It can be used in dentistry, food, medical equipment, aerospace and other fields :i. -Surface treatment before spraying for spraying, painting, supersonic thermal spraying, etc., to increase the unevenness of the surface of the material and enhance the holding power of the sprayed material. B-Prepare the surface treatment before painting the back panels of mobile phones and laptops.ii.-Surface treatment before metal spray welding and titanium plating, such as sandblasting on the surface before brazing of super-hard grinding wheel and cemented carbide.2. Surface treatment of glass and non-metallic materials:i. Colored glass, glass products, ceramic products, bamboo chips, wood products, composite non-metallic materials and other materials such as sandblasting, matting, polishing, matte treatment, etc. Rubber materials such as printing rubber rollers, rubber molds, PU materials, acrylic sheets, plastics and other materials are surface-etched.3. Semiconductor industry: White aluminum oxide used for surface treatment of aluminum alloy semiconductor components, surface treatment and sandblasting before vacuum sputtering; removal of impurities on the back of wafers.4. Mold processing industry: White aluminum oxide blasting media for surface treatment of metal molds, forged steel molds, forged aluminum molds, mold steel, carbon steel, and mold processing industries such as matte surface treatment after mold biting. For example, wire cutting molds, glass molds, tire molds, conductive rubber molds, shoe molds, bakelite molds, electroplating molds, button molds, plastic product molds and other molds all use alumina sand.5.Skin cleaning:Microdermabrasion Crystals white aluminum oxide could improve scars,blackheads,pore size. It makes skin smooth and clean without any contaminant. more>

$3688

Category: Energy/Lubricating Oil & Grease/Other Lubricants

Company: 郑州熙泽尔流体科技有限公司

Product Description: The CS110 spring cone crusher hydraulic oil station, innovatively developed by Zhengzhou Jiansheng Hydraulics, primarily features: overload protection,automatic discharge of crushed materials,automatic recoveryIt is widely used in crushing operations of mining machinery and equipment. This system offers advantages such as compact size, light weight, rapid response, and strong controllability. more>

$6

Category: Others

Company: 深圳市捷安盛国际物流有限公司

Product Description: Maritime transport is the primary mode of transportation in international trade, accounting for over two-thirds of the total global trade volume. The vast majority of China's import and export goods are transported via maritime shipping, which offers large capacity, low shipping costs, and extensive, interconnected routes.Jie An Sheng International Logistics adheres to a customer-centric approach, leveraging scientific resource integration, strong operational capabilities, and deep market insights to provide customers with diverse, flexible, and efficient logistics solutions. We aim to empower businesses with greater commercial value through logistics and deliver superior experiences to consumers.Our company collaborates with major shipping lines such as Maersk Line (MAERSK), Hanjin Shipping (HANJIN), Mediterranean Shipping Company (MSC), Orient Overseas Container Line (OOCL), China Ocean Shipping (COSCO), China Shipping Container Lines (CSCL), Yang Ming Marine Transport (YML), American President Lines (APL), Hyundai Merchant Marine (HYUNDAI), CMA CGM (CMA), Wan Hai Lines (WANHAI), Nippon Yusen Kaisha (NYK), Evergreen Marine (EVERGREEN), and Kawasaki Kisen Kaisha (K-LINE). We offer professional full container load (FCL) and less than container load (LCL) services, meticulous cargo handling and stowage, and provide services including booking, pickup, warehousing, trucking, customs declaration and inspection, container loading, documentation, overseas customs clearance, and last-mile delivery.Globally, we provide DDU/DDP services for exports. Our overseas agents are highly capable, ensuring fast customs clearance and delivery, and enabling sea, land, and air multimodal transport to significantly reduce customers' shipping costs.Key Features of International Maritime TransportThe main characteristics of international maritime transport are low cost and long transit times, making it suitable for large-volume export orders.International maritime transport is divided into two methods:1. Full Container Load (FCL): One shipment per container or multiple containers per shipment.2. Less than Container Load (LCL): Three or more shipments consolidated into one container. more>

Negotiable

Category: Instruments & Meters/Specialized Instruments/Other Specialized Instruments

Company: 达州建杰新型材料科技有限公司

Product Description: Binder for Iron Powder Forming with Wet Strength, Intact After 2-Meter DropEnvironmental Protection and Economic Efficiency·No sulfur or phosphorus added, heavy metal content complies with national standards (GB38400-2019), no harmful emissions after combustion.·Replaces traditional bentonite, avoids reduction in iron grade (each 1% bentonite reduces grade by 0.7 points).· Green and Eco-Friendly: No harmful chemical additives, environmentally friendly, non-corrosive to equipment, does not increase ash content, does not reduce calorific value, non-flammable, smokeless and odorless.7. Excellent Performance: Produces 35-50 tons of pellets per ton, with a forming rate of 98%, wet pellets remain intact after a 2-meter drop, cold strength of 80 kg/pellet, and hot strength of 55 kg/pellet. more>

$询价

Category: Construction & Building Materials/Glass/Processed Glass

Company: 东莞市匡合电子科技有限公司

Product Description: ProductNameGlass Grating RulerProductMaterialFloat glass, K9 glass, ultra-clear glass, etc.ConventionalThickness0.7mm 1.0mm 1.1mm 2.0mm 3.0mmProcessAdvantages1. Pulse lines are uniform, vertical, and smooth, with no connections or breaks;2. High precision, no limit on pulse count, small line size can reach 0.006mm,3. Small tolerance can reach 0.2 microns;4. Excellent thermal stability, extremely high mechanical strength and pressure resistance;5. Good cleaning effect, reusable, long service life, and wide range of applications;PrecisionTolerance ±0.0002mm (i.e., 0.2 microns), industry standard;DeliveryCycleStandard sampling: 30 days, delivery: 40 days.ApplicationA digital encoder for measuring angular displacement. It offers strong resolution, high measurement accuracy, and reliable performance, making it a commonly used displacement sensor for measuring shaft rotation angle.The code disk (grating disk) has several rectangular holes evenly distributed on a circular plate of a certain diameter. Since the photoelectric code disk is coaxial with the motor, when the motor rotates, the code disk (grating disk) rotates at the same speed as the motor. The detection device, composed of electronic components such as light-emitting diodes, detects and outputs several pulse signals. By calculating the number of pulses output by the photoelectric encoder per second, the current motor speed can be determined. (As shown in the figure below) more>

$2500

Category: Others

Company: 烟台乐森机械设备有限公司

Product Description: Due to fluctuations in raw material prices, the prices and models may vary. For specific quotations, please contact our sales staff. Thank you.In the same amount of time, while others produce one bucket, you produce one truckload with the Coal Mine Explosion-Proof Mud Extruder! High extrusion speed + stable molding allow you to produce mud as needed. Dual-diameter mining reduces labor—I fully support it. No matter how many models there are of the PNJ-A-B series mud extruder, the PNJ-A explosion-proof mud extruder is still your go-to choice. The mud extruder works quickly, filling blast holes in one smooth operation. Fellow workers praise it: "This speed is impressive!"The PNJ-A-B model mud extruder molds quickly and yields high output. Speak your mind, do your work—success lies in doing your best. In past coal mining, metallurgy, mining, tunnel operations, and other construction scenarios, cylindrical mud plugs were often used to seal blast holes. Manual production resulted in low efficiency and unstable product quality, severely affecting the construction quality and efficiency in coal mines, metallurgy, mining, and tunnels.The new PNJ-A-B model mud extruder(1) The mud plugs feature uniform specifications, consistent texture, moderate hardness, and a smooth surface, improving blast hole quality and reducing open flames.(2) The mud plug production speed is fast, reducing labor and improving work efficiency.(3) Producing mud plugs is convenient and easy to operate.Depending on the different working environments of various user units, our factory offers two different models of mud extruders.The single-outlet machine corresponds to single-person filling; the double-outlet machine allows two people to fill simultaneously."The single-outlet machine is suitable for small-batch operations, while the double-outlet machine is suitable for large-batch, multi-specification simultaneous construction."Different rhythms require different mud output speeds. more>

$0.1

Category: Others

Company: 江苏芒种建设有限公司

Product Description: Electric Energy MeteringGeneral Requirements for Electric Energy Metering       Photovoltaic power station Before connecting to the grid, the metering points for on-grid electricity and grid-consumed electricity should be clearly defined. In principle, the metering point should be set at the grid connection point of the photovoltaic power station at the boundary of property rights.        Each metering point should be equipped with an electric energy metering device, with equipment configuration and technical requirements complying with DL/T448 "Technical Management Regulations for Electric Energy Metering Devices," as well as relevant standards and regulatory requirements.       Electric energy meters should use static multifunctional meters, with technical performance meeting the requirements of GB/T 17883 "Class 0.2S and 0.5S Static AC Active Energy Meters" and DL/T641 "Multifunctional Electric Energy Meters." The electric energy meter should at least have bidirectional active and four-quadrant reactive metering functions, event recording function, be equipped with a standard communication interface, and have the capability for local communication and remote communication via an electric energy information acquisition terminal. The communication protocol of the electric energy meter should comply with DL/T645 "Multifunctional Electric Energy Meter Communication Protocol." The collected information should be connected to the electric energy information acquisition system of the grid dispatch organization.        For medium-sized photovoltaic power stations, the same metering point should be equipped with one set each of main and secondary electric energy meters of the same model, specifications, and accuracy. The main and secondary meters should be clearly marked.        The electric energy metering device should be installed by the property owner of the photovoltaic power station before grid connection, in accordance with requirements, and undergo channel, protocol, and system debugging in conjunction with the electric energy information acquisition terminal and the master station system. A mutually recognized, qualified electric energy metering testing institution should complete relevant tests on the electric energy metering device, issue a complete test report, and apply seals, stamps, or other securing measures. Before the electric energy metering device is put into operation, a joint completion acceptance inspection should be conducted by the grid company and the property owner of the photovoltaic power station.     Jiangsu Mangzhong Construction Co., Ltd. is a comprehensive energy service provider focused on the photovoltaic field, dedicated to being a smart energy enterprise engaged in photovoltaic power station investment, development, design, construction, intelligent operation and maintenance, professional consulting services, and photovoltaic power station equipment recycling.Company Name: Jiangsu Mangzhong Construction Co., Ltd.Business Scope: Photovoltaic power station EPC and solar power station investmentCompany Landline: 025-5888 3737 Mobile Number: 159 5163 4545Company Website: http://www.mangz.cn more>

$1500

Category: Machinery & Equipment/Valves/Discharge Valves

Company: 河北乃信环保科技有限公司

Product Description: Explosion-proof grade IP55 star-type unloader with sealed strip and rigid separator wheel, the unloading device consists of three parts: motor, cycloidal pinwheel reducer, and rotary dragon-type ash discharge valve.(1) By adopting the principle of planetary rotation, the input and output shafts are on the same axis and integrated with the motor, resulting in a compact structure, aesthetically pleasing and novel design, small size, and light weight. (2) Excellent sealing performance, uniform and stable feeding, smooth unloading operation, low noise, few failures, long service life, and high wear resistance. (3) The bearings and gearbox are far from the valve body, avoiding the effects of high-temperature dust. The front and rear end covers have good sealing performance, preventing dust leakage and extending the service life of moving parts and the lubrication system. (4) Strong overload capacity, low impact inertia, suitable for frequent starting and reverse rotation. (5) Special dedicated motors can be configured according to user needs, such as explosion-proof, frequency conversion, speed regulation, marine motors, etc., to meet specific requirements. Materials can also be specially processed as per user needs, such as high-temperature resistance, corrosion resistance, stainless steel, flexible blades, explosion-proof impellers, etc.Usage precautions: 1. Before using the star-type unloader, check the quantity and type of lubricating oil in the reducer. Replace the oil after one month of operation, and then annually thereafter. 2. Connect the air source interface and check if it is blocked by foreign objects to ensure it is clean and unobstructed. 3. Before using the star-type unloader, ensure that the rotor rotates clockwise (viewed from the extended shaft end of the reducer, consistent with the arrow on the sprocket cover). 4. Before using the star-type unloader, open the sprocket cover to check the chain tension and inspect it regularly during operation. Apply suitable lubricant to the chain and sprocket. 5. Throughout the use of the unloader, adjust the pressure reducing valve so that the pressure at the seal is 0.05 MPa higher than the material pressure inside the valve body. The gas should be oil-free, dry compressed air. 6. During the entire use of the star-type unloader, the air source at the seal must always be present. Only after confirming that the valve has stopped operating can the air source be shut off. Explosion-proof grade IP55 star-type unloader with sealed strip and rigid separator wheel. more>

$1500

Category: Chemicals/Rubber & Products/Natural Rubber

Company: 河北乃信环保科技有限公司

Product Description: Bin material airlock impeller feeder rubber soft seal anti-jamming star-type discharger, Usage precautions:1、 Before using the star-type discharger, check the quantity and type of lubricating oil in the gearbox. Replace with new oil after one month of operation, and then change the oil once a year thereafter.2、 Connect the air source interface and check if it is blocked by foreign objects to ensure it is clean and unobstructed;3、 Before using the star-type discharger, ensure that the rotor rotates clockwise (viewed from the extended shaft end of the gearbox, consistent with the arrow on the sprocket cover);4、 Before using the star-type discharger, open the sprocket cover to check the chain tension and inspect it regularly during operation; also apply suitable grease to the chain and sprocket;5、 Throughout the use of the discharger, adjust the pressure reducing valve so that the pressure at the seal is preferably 0.05MPa greater than the material pressure inside the valve body; the gas used should be oil-free, dry compressed air;6、 During the entire use of the star-type discharger, the air source at the seal must always be present. Only after confirming that the valve has stopped operating can the air source be shut off;Common faults: 1. During transportation and installation of the star-type discharger, keep it stable and avoid collisions to prevent shell breakage or deformation. 2. Before leaving the factory, the gearbox is filled with No. 0 grease, and the ash discharge valve is filled with lithium-based grease. Within 6-10 months after putting into use, the transmission and bearing components should be replenished or replaced with grease. If the ambient temperature is high, humid, or there is excessive dust in the air, the oil change interval should be appropriately shortened. 3. During use, if air or ash leakage occurs along the axial direction, tighten the material compression cover. 4. During operation, avoid overload operation caused by large material particles or strong adhesion, or equipment jamming or motor short circuits due to foreign objects left in the dust collector, which may damage the equipment. It is recommended that users promptly inspect and install overload protection devices. 5. This machine is suitable for continuous duty and allows forward and reverse operation. 6. When assembling the output shaft and input shaft of the discharger with other parts and accessories, do not strike or hammer directly to prevent damage.Bin material airlock impeller feeder rubber soft seal anti-jamming star-type discharger. more>

Negotiable

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: 南京瑞尼克科技开发有限公司

Product Description: Specially customized "PFA tips" for pipette guns1. Ordinary tips are disposable, requiring frequent replacement, which is time-consuming and costly2. PFA tips have low metal element blank values (lead and uranium content less than 0.01 ppb), making them suitable for ICP-MS analysis, trace analysis, and other experiments3. PFA tips do not need frequent replacement; their superior and stable performance allows for long-term, multiple, and repeated use, thereby reducing replacement frequency and effectively saving costs4. PFA tips can be customized in various sizes and specifications to fit different models of pipette guns5. Customized PFA tips from professional manufacturers feature fine craftsmanship, no burrs, smooth surfaces, and easy cleaningFeatures1. Resistant to high and low temperatures: usable from -200°C to 260°C2. Transparent and colorless appearance3. Exceptional chemical resistance, e.g., aqua regia, hydrofluoric acid, nitric acid, hydrochloric acid solvents, etc.4. Meets the needs of various analytical laboratories for small-volume sample transfer and pipetting5. Teflon pipettes can solve the problem of ordinary plastic burettes being corroded during experiments, which affects experimental data, and are available in graduated and non-graduated versions6. Can be custom-marked with graduations using special marking machines according to customer requirements, but these graduations are for reference only and cannot serve as strict quantitative standards8. Mainly used extensively in laboratories for trace analysis such as ICP-MS, ICP-OES, as well as isotope analysis. Suitable for small-volume pipetting in institutions such as geology, electronic chemicals, semiconductor analysis and testing, disease control centers, pharmaceutical factories, and environmental testing centers. more>

$面议

Category: Chemicals/Gases/Nitrous Oxide

Company: 南京瑞尼克科技开发有限公司

Product Description: Product Name: PFA FlaskSpecification: 500ml (Single Neck/Double Neck/Triple Neck Optional #17 Joint #19 Joint #24 Joint)Model: RNKG-SP500Material: PFA (Fluoropolymer, Soluble Polytetrafluoroethylene)Color: TransparentProduct NameSpecification (ml)MaterialSoluble Polytetrafluoroethylene (PFA)Flask250mlPFA500ml1000ml2000mlFeatures:1. Resistant to strong acids, strong alkalis, aqua regia, magic acid, hydrofluoric acid, and various organic solvents;2. Low Leaching: Very low metal ion dissolution and leaching;3. High and Low Temperature Resistance: Operating temperature -200°C to +260°C;4. Contamination Prevention: Low blank value for metal elements;5. Used for distillation and rotary evaporation of high-purity substancesMainly applied in pharmaceutical companies, fluorochemical industry, new materials, and other enterprises. Can be matched with constant pressure separatory funnels, condenser tubes, thermometer sleeves, stirring paddles, etc., to form distillation reaction setups.Connection Methods:PFA Flask + PTFE Condenser Tube + Receiving FlaskPFA Flask + PTFE Constant Pressure Separatory Funnel + PTFE Condenser Tube + Receiving FlaskPFA Flask + FEP Separatory Funnel + PTFE Condenser Tube + Receiving Flask  more>

Negotiable

Category: Others

Company: 南京瑞尼克科技开发有限公司

Product Description: PFA tips professionally customized for pipette guns1. Disposable use of ordinary tips requires frequent replacement, which is time-consuming and costly.2. PFA tips feature low metal element background values (lead and uranium content less than 0.01 ppb), making them suitable for ICP-MS analysis, trace analysis, and other experiments.3. PFA tips do not require frequent replacement. Their superior and stable performance allows long-term, repeated, and multiple uses, reducing replacement frequency and effectively saving costs.4. PFA tips can be customized in various sizes and specifications to fit different models of pipette guns.5. Customized PFA tips from professional manufacturers feature fine craftsmanship, no burrs, smooth surfaces, and easy cleaning.Features1. Resistant to high and low temperatures: operating temperature range from -200°C to 260°C;2. Transparent and colorless appearance;3. Exceptional chemical resistance, such as to aqua regia, hydrofluoric acid, nitric acid, hydrochloric acid solvents, etc.;4. Meets the needs of various analytical laboratories for small-volume sample transfer and pipetting;5. Teflon pipettes can solve the problem of ordinary plastic burettes being corroded during experiments, which affects experimental data. They are available in graduated and non-graduated versions;6. Graduation markings can be applied using special marking machines according to customer requirements, but these markings are for reference only and cannot serve as strict quantitative standards;8. Mainly used in laboratories for trace analysis such as ICP-MS, ICP-OES, and isotope analysis. Suitable for small-volume pipetting in institutions such as geology, electronic chemicals, semiconductor analysis and testing, CDC, pharmaceutical factories, and environmental testing centers. more>

$23

Category: Chemicals/Plastics & Products/Plastic Raw Materials

Company: 广州市欧颖新材料有限公司

Product Description: It is a waxy, odorless solid, insoluble in water, with some solubility in organic solvents such as ketones, esters, alcohols, ethers, and benzene. It has a high melting point and good thermal stability. It serves as a non-corrosive chemical additive for plastics, inks, coatings, paints, textiles, papermaking, cosmetics, and other industries. Technical specifications: Name: Specification Iodine value (gI/100g): 74–79 Acid value (mgKOH/g): more>

$40

Category: Machinery & Equipment/Machine Tools/Milling Machines

Company: 安平县欧海金属丝网有限公司

Product Description: High-temperature wear-resistant ceramic coating is a specialized protective material designed for extreme environments, particularly those requiring resistance to high temperatures, abrasion, and corrosion. When combined with a turtle mesh framework, this coating significantly enhances the wear resistance and durability of protected surfaces, especially in equipment such as cyclone dust collectors.**The primary roles of the turtle mesh framework** in the application of high-temperature wear-resistant ceramic coatings are:1. **Enhanced Structural Strength**: The grid-like structure provided by the turtle mesh offers a strong foundation for the ceramic coating, ensuring it adheres firmly to the substrate surface and is less prone to detachment.2. **Improved Impact Resistance**: Due to the presence of the turtle mesh, the ceramic coating not only exhibits excellent wear resistance but also enhances resistance to high-speed particle impacts, extending the equipment's service life.3. **Adaptation to Thermal Expansion**: The turtle mesh framework possesses a degree of flexibility and elasticity, which helps mitigate thermal stress caused by temperature fluctuations, reducing the risk of coating cracking.**The construction process typically includes the following steps**:- **Surface Preparation**: First, ensure the surface to be coated is clean, free of oil, rust, and other impurities, and perform necessary grinding to enhance adhesion.- **Installation of Turtle Mesh**: Cut and secure the turtle mesh to the area to be protected according to actual needs, ensuring it is tightly fitted to the substrate and firmly welded.- **Application of Ceramic Coating**: Evenly apply or spray the prepared high-temperature wear-resistant ceramic coating onto the surface with the installed turtle mesh, paying attention to uniformity in thickness and coverage.- **Curing Process**: Carry out the curing process under conditions recommended by the coating supplier (e.g., temperature, time) to ensure the coating fully hardens and bonds tightly with the turtle mesh.Through the above methods, the combination of high-temperature wear-resistant ceramic coating and turtle mesh framework ensures excellent wear resistance while providing superior high-temperature performance, making it suitable for various harsh working conditions and protective needs.6 more>

$28

Category: Electrical Equipment & Supplies/Power Distribution & Transmission/Cables

Company: 上海欧科森电线电缆有限公司

Product Description: High Wear-Resistant Flexible Special Cable, High Mechanical Load Resistant Tensile Cable DRUM-RFX6620 As a leading manufacturer of drum cables, Shanghai Okesen Wire & Cable Co., Ltd. has dedicated its efforts to developing the high wear-resistant flexible special cable—DRUM-RFX6620, specifically designed to withstand mechanical loads in complex environments and meet the increasingly diverse demands of industrial settings. This article will comprehensively introduce this exceptional special cable from five aspects: application scope, installation methods, usage precautions, material composition, and manufacturing processes.1. Application Scope of Drum CablesDRUM-RFX6620 is widely used in industrial automation, lifting machinery, ports and terminals, mining equipment, ships, and other scenarios requiring high mechanical strength. Its design enables it to endure frequent winding, stretching, and high-intensity mechanical wear, making it suitable for use in cable reels, drag chains, and mobile mechanical equipment. It is particularly ideal for continuous operation and high mechanical load environments. For example, port container cranes handle large volumes of cargo daily, requiring cables to maintain flexibility and wear resistance over extended periods. DRUM-RFX6620 is tailor-made for such working conditions.2. How to Properly Install DRUM-RFX6620Confirm the diameter of the cable reel or drag chain: During installation, refer to the cable’s minimum bending radius to avoid deformation.Choose appropriate fixing points: Both ends of the cable should be securely fastened with standard-compliant fixtures to prevent damage from vibration or tension.Avoid direct friction with sharp objects: In the installation environment, prevent the cable from contacting metal edges to minimize wear.Ensure a clear and unobstructed laying path: The cable route should be kept flat with sufficient space for movement to avoid compression.3. Precautions During UseAlthough DRUM-RFX6620 is wear-resistant and tensile-resistant, proper usage is essential to extend its service life. Avoid over-stretching or repeated bending of the cable, prolonged exposure to high temperatures, and prevent aging of the outer sheath. Regularly inspect the cable surface for abnormal wear, cracking, or other damages. Timely maintenance can prevent accidents. For applications involving long-term exposure to chemical media, select corresponding anti-corrosion or reinforced products based on the specific environment.4. Advantages of Product MaterialsDRUM-RFX6620 utilizes imported high-molecular polymer materials and special fillers as raw materials, offering excellent elasticity and wear resistance. Its inner conductors are made of high-quality copper cores, ensuring stable electrical performance with low resistance and oxidation resistance. The outer sheath is crafted from anti-aging, oil-resistant, and acid-alkali-resistant special materials, capable of withstanding mechanical wear and corrosion from various chemicals. The combination of these materials not only guarantees the cable’s flexibility but also significantly enhances its service life in complex working conditions.5. Key Points of Manufacturing ProcessMulti-layer sheathing process: Through multi-layer composite sheathing technology, mechanical strength and wear resistance are improved, effectively preventing external damage.Strict conductor stranding standards: Ensure uniform internal structure, flexibility, and excellent electrical performance.Precise control of bending radius: Fine-tuned during production to ensure the cable can wind freely in dynamic environments.Environmental adaptability testing: Each batch of products undergoes extreme mechanical load and high-low temperature cycle tests to ensure stability and reliability.Summary and OutlookDRUM-RFX6620 integrates high wear resistance, ultra-flexibility, and high mechanical load tolerance, making it suitable for various complex industrial environments. It is an ideal choice for enhancing equipment operational efficiency and safety. Relying on advanced material research and manufacturing processes, Shanghai Okesen Wire & Cable Co., Ltd. is committed to providing customers with high-quality, high-stability cable solutions.Choosing DRUM-RFX6620 means selecting a cable that stands the test of time and environment. Whether for continuous operation of heavy-duty machinery or challenging harsh environmental conditions, DRUM-RFX6620 can safeguard your projects, reduce maintenance frequency, lower maintenance costs, and improve overall economic efficiency. Welcome to collaborate with Shanghai Okesen Wire & Cable Co., Ltd. to create a more efficient and reliable industrial application environment together. more>

$88.00

Category: Chemicals/Adhesives & Sealants/PVA & PVAc Adhesives

Company: 上海勒普新材料科技有限公司

Product Description: High-temperature resistant acrylic pressure-sensitive adhesive, capable of withstanding high temperatures without leaving residue, minimal impact on dyne value, low peel force increase, easy to peel, and residue-free.High-temperature resistance, no residue or bubbling after cold and hot tearing at 280°C for 1 hour, low peel force increase, no silicon contamination or silicon residue, adjustable peel force from 3g to 1000g, peel force increase after high temperature more>

$088

Category: Chemicals/Adhesives & Sealants/Composite Adhesives

Company: 上海勒普新材料科技有限公司

Product Description: Square IBZZIB3B9B5 PVC Decorative Film, Home Decoration Film, PVC Wall Sticker, PVC Furniture Film, High-Tack Acrylic Pressure-Sensitive Adhesive Features: High initial tack for easy application, can be applied outdoors even in winter. High peel strength, >30N/inch, ensuring strong adhesion after application—cannot be peeled off, becomes firmer over time without lifting. Resistant to plasticizers, no stringing or adhesive oozing over time, high peel strength—cannot be peeled off. Minimal decrease in peel strength after 72 hours under dual 85 conditions, moderate peel strength >25N/inch. Applications: Various PVC substrate adhesive films and tapes, such as high-tack decorative films, high-tack PVC tapes, high-tack PVC decorative films, high-tack PVC skateboard stickers. Substrate is PVC material, polyvinyl chloride, e.g., PVC door and window sealing strips, PVC decorative films, home decoration films, PVC wall stickers, PVC furniture films, high-tack acrylic pressure-sensitive adhesive. more>

$50000

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: 上海尔奚环保科技有限公司

Product Description: more>