Toocle find for you 738 information about the to-whatapp.hl.cn, total 37 pages
Easy-to-demold tin-cured silicone rubber, 20 degrees, milky white
$40
Category: Chemicals/Organosilicon/Silicone Rubber
Company: 东莞市鸿联有机硅科技有限公司
Product Description: Easy-to-Demold Tin-Cured Silicone Rubber 20° Milky White. For ordering inquiries, please contact the factory, Ms. Chen, at 13662816580 (same number for WeChat).Low Shrinkage Rate: During the curing process, the shrinkage rate is typically less than 0.3%. For models like HF-318, the shrinkage rate can be controlled to ≤0.2%, enabling precise replication of architectural model details and ensuring high consistency between the model and the design prototype.High Tear Strength: It exhibits excellent tear and tensile strength. For example, the HF-308 model from Hong Fenghao has a tear strength of 26±2 kN/m. Molds made from it are less prone to damage and can be reused multiple times, reducing model production costs.Good Fluidity: It is a two-component liquid silicone. Component A is a flowable liquid silicone, and Component B is the curing agent. After mixing, it has good fluidity and can be applied by pouring or brushing, easily filling every corner of complex models. It is suitable for creating various shapes of architectural model decorations.Strong Temperature Resistance: It maintains stable performance within a temperature range of -50°C to 250°C, making it suitable for architectural model production in various environments.Easy Demolding: After curing, it exhibits good flexibility, allowing demolding without damaging the model. For structurally complex architectural model decorations, such as columns with intricate patterns or reliefs, the demolding advantage is even more pronounced. more>
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How to install permeable cast-in-place tactile paving bricks on colored pavement.
$65
Category: Chemicals/Laboratory Reagents/Other Chemical Reagents
Company: 河南路彩建筑工程有限公司
Product Description: How to Construct Permeable Cast-in-Place Blind Track Bricks on Colored PavementOn-site overlay continuous blind tracks, available in any color, suitable for concrete, asphalt, or masonry substrates. Combining rigidity and flexibility, performance indicators exceed national standards, as robust as diamond. Flexible installation according to road shape, with smooth curved transitions. Open to traffic in 2 hours, with permanent adhesion. Cast-in-place continuous blind tracks can be customized to any color as required by landscape design, ensuring the overall road composition is not disrupted by prominent lines or the consistent yellow blind track bricks. Colors can be altered as needed, allowing blind track bricks to seamlessly integrate with the road landscape.Product Category: High-Strength Inorganic PolymerCompressive Strength: ≥30MPa; Flexural Strength: ≥4.0MPa; Adhesion: PermanentApplicable Substrates: Concrete, asphalt, stone, paving bricks, etc. Construction Method: On-site continuous constructionWorking Temperature: 5°C-35°C (Cast-in-place Blind Tracks) refer to continuous blind tracks made using inorganic high-strength polymer materials and specialized molds, constructed on existing road surfaces through cast-in-place methods. They are divided into guiding strips and guiding points. Standard widths include 300mm, 400mm, 500mm, and 600mm, with flexible customization available based on user needs. Unlike pre-made blind track bricks, cast-in-place blind tracks are a continuous blind track system constructed on-site, formed by overlaying existing new or old concrete roads, asphalt pavements, or masonry surfaces. The design and installation of blind strips and blind points strictly adhere to the national standard "Code for Accessibility Design of Urban Roads and Buildings JGJ-50-2001." They can be used in any location requiring blind tracks, particularly suitable for overlaying on completed asphalt or concrete roads.Code for Accessibility Design JGJ-50-2001, applicable to any location requiring blind tracks, especially suitable for overlaying on completed asphalt concrete roads.Construction Technology1. Base Requirements and CleaningSuitable for both new and old asphalt or concrete pavements, with no slope requirements. The base surface must be clean, firm, and free of looseness. It can be damp but without standing water.2. Laying Prefabricated Blind Track MoldsPlace prefabricated molds made of soft polyurethane material onto the work surface. Standard widths are generally 30cm, 40cm, 50cm, and 60cm, as per design requirements.3. Spreading Blind Track PolymerPour the on-site mixed high-strength water-based environmentally friendly VSS polymer slurry onto the mold and level it. Remove the mold immediately after completion.4. Surface SealingApply a layer of colored wear-resistant surface coating onto the cured polymer cast-in-place ultra-thin blind track to further beautify the pavement, forming an integrated color-band blind track. The quality can be assessed through the construction process: the polymer cast-in-place ultra-thin blind track overlaid on the original road surface ensures permanent adhesion, no delamination, no cracking, and long service life. more>
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How to achieve a rapid overseas expansion strategy in the manufactured sand industry
$99999
Category: Construction & Building Materials/Stone & Marble/Sand, Gravel & Pebbles
Company: 河南中基工业科技有限公司
Product Description: First, let's follow the editor to understand what the international standards for manufactured sand are like?According to national standards, any manufactured sand or mixed sand that has undergone soil removal treatment is collectively referred to as artificial sand. Specifically, manufactured sand is defined as rock particles with a particle size of less than 4.75mm, produced by mechanical crushing and screening, but excluding particles of soft rock and weathered rock.Artificial sand is currently mostly medium to coarse sand, with a fineness modulus between 2.6 and 3.6. It has stable and adjustable particle gradation and contains a certain amount of stone powder. Except for the increase in the 150μm sieve residue, the remaining sieve residues mostly appear as triangular or rectangular prisms, with a rough surface and sharp edges. However, due to differences in the mineral sources of manufactured sand production across the country, as well as variations in equipment and processes for processing manufactured sand, the particle shape and gradation of produced manufactured sand may vary significantly. For example, some manufactured sands have more flaky particles, while others have a particle gradation that is coarse at both ends and fine in the middle. As long as it meets all the technical requirements for artificial sand in the national standards, it can be used in concrete and mortar. Those that do not meet the technical requirements for artificial sand in the national standards cannot be used, as the particle shape and gradation of manufactured sand can be adjusted and improved. In this regard, artificial sand is fundamentally different from natural sand. Mixed sand reduces these characteristics as the proportion of manufactured sand increases.During this critical period of industry transformation and upgrading, China's sand and gravel equipment has been committed to promoting the sand and aggregate industry. To achieve successful expansion into international markets for the manufactured sand industry, it is essential to choose high-quality sand and gravel equipment to produce products that meet international standards. Henan Zhongji Industrial Technology Co., Ltd. has introduced the V6S series vertical shaft impact crusher, which combines stone shaping and manufactured sand production functions. With a new four-wheel design, it offers higher material throughput and greater output.The V6S series vertical shaft impact crusher incorporates years of R&D experience and technical concepts. It adopts a new four-port impeller design structure and special sealing technology to prevent oil leakage in the bearing housing, among other advanced processes. This new sand-making and crushing equipment features multiple superior technologies, offering energy efficiency, long service life, and wide applicability. It helps large sand yards gradually move toward规模化 and centralized production to meet national environmental and capacity requirements. The "stone-on-stone" working principle reduces equipment wear and extends service life. Importantly, the manufactured sand processed by the V6S fully complies with stringent export standards, helping customers achieve rapid international expansion strategies. more>
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Unique Multifunctional Oligomeric Silane for Adhesion of Silicone Rubber and Polyethylene to Metals
$面议
Category: Chemicals/Organosilicon/Silanes
Company: 广东方舟化学工业有限公司
Product Description: Product Name: Unique Multifunctional Oligomeric Silane    AC-60 Appearance: Colorless to light yellow transparent liquid  Solid Content: 40% isopropanol solution   Density (g/cm³): 0.8 - 1.01   Viscosity (25°C): 1 - 30Product Characteristics: This product differs from other silane coupling agents in its mechanism of action. Due to its unique structure and multifunctional active groups, it offers exceptional performance. It not only facilitates strong adhesion between polymers with active groups and metals, inorganic materials, or fibers but also enables effective bonding between difficult-to-adhere polymers lacking active groups and metals or inorganic materials.  This product is easy to apply and provides weather resistance, water resistance, salt spray resistance, chemical resistance, oil resistance, and solvent resistance after bonding. When used as a primer, diluting it 10-30 times with ethanol yields excellent results.  Applications: Adhesion Promoter: This product enhances adhesion and is suitable for bonding various rubbers to different metals and fabrics, as well as for self-adhesion of vulcanized silicone rubber, all with excellent bonding effects. It is particularly effective for bonding silicone rubber and polyethylene to metals.  Coupling Agent for Composite Materials: It can be applied to glass fibers or other materials. For example, when coated on glass fibers, it enhances the performance of polypropylene, polyethylene, and polycarbonate laminates. When added to polyethylene resin, it improves the performance of laminates. When incorporated into glass or asbestos-reinforced thermoplastics, it significantly enhances mechanical strength and improves the heat deformation temperature of glass fiber-reinforced polyethylene and polypropylene.  Modifier for Sealants, Adhesives, and Various Resins: It improves mechanical properties, adhesion, and weather resistance. It can be used as a crosslinking agent for polymers, a high-temperature polymerization initiator, or a modifier for epoxy resins.  Process: Priming or Surface Treatment  1. Surface Treatment: Degrease after mechanical treatment (sandblasting) or apply chemical treatment;2. Dilution: Can be applied directly to the surface. If necessary, dilute appropriately with anhydrous ethanol;  3. Coating: Apply the diluted product evenly to the substrate surface using brushing, dipping, or spraying methods;4. Drying: Allow treated parts to dry at room temperature for 30 minutes or at high temperature (60–90°C) for 5-15 minutes; 5. Storage: Bond as soon as possible after drying to avoid contamination and exposure to high humidity. It is best to bond within 20 minutes after treatment. Note: Diluting with ethanol 10-30 times yields good results. The actual operation and dilution ratio can be adjusted according to the customer's process requirements to achieve the appropriate concentration.  Additive Usage: Directly add to resin systems, sealant, or adhesive systems. The recommended dosage is 0.5-1.5% of the total formulation, or adjust according to the performance requirements of the customer's formula.  Note: The actual operation and dilution ratio can be adjusted according to the customer's process requirements to achieve the appropriate concentration.Precautions: Store in a ventilated, moisture-proof, cool, and dry environment away from heat sources and open flames. Keep unopened at temperatures below 25°C. After use, seal the container to prevent moisture absorption, which may affect product quality.This product contains volatile solvents. Ensure the workplace is well-ventilated and fire-safe. Tighten the container after use. If accidentally splashed into eyes, mouth, or skin, rinse thoroughly with water.  Shelf Life: When stored unopened below 25°C (77°F), the product has a shelf life of 12 months from the date of production. more>
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Beijing to Europe Air Charter and Blocked Space Services
Negotiable
Category: Machinery & Equipment/Packaging Related Equipment/Multi-Function Packaging Machines
Company: 湾流汇国际供应链管理(北京)有限公司
Product Description: Our company has newly signed the X7 air charter route from Beijing to major European ports for exports. Cargo delivered at Beijing price, with regular weekly flights. Welcome to call for inquiries!Preferential rates for large shipments, negotiable for long-term cooperation! more>
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High-temperature resistant rubber sealing ring for industrial equipment, withstands up to 250°C.
Negotiable
Category: Hardware & Tools/Seals & Gaskets/Other Seals
Company: 广东东晟密封科技有限公司
Product Description: High-Temperature Rubber Sealing Ring Resistant to 250°C for Industrial EquipmentThermal Stability of High-Temperature Rubber Sealing Ring Resistant to 250°C? DshfmcomIn the field of sealing for high-temperature industrial equipment, the thermal stability of rubber sealing rings directly determines the operational safety and maintenance cycle of the equipment. Based on the latest industry research data, this article systematically analyzes the material characteristics, thermal aging mechanisms, and performance optimization solutions of rubber sealing rings resistant to 250°C, providing technical reference for the selection of sealing systems in high-temperature working conditions.I. Material Characteristics of High-Temperature Rubber Sealing RingsRubber sealing rings resistant to 250°C primarily use two types of specialty materials: fluorosilicone rubber (FVMQ) and fluoroelastomer (FKM). Fluorosilicone rubber sealing rings exhibit a compression set of only 29% in tests at 175°C for 22 hours, with their unique siloxane bond structure enabling the material to maintain elasticity within the range of -60°C to 250°C. In comparison, fluoroelastomer sealing rings can withstand temperatures up to 300°C but perform poorly at low temperatures (prone to brittleness below -20°C). Experiments have shown that fluoroelastomer sealing rings with 25% carbon fiber additive retain a tensile strength retention rate of 68% after 1000 hours of continuous operation at 250°C, far exceeding the 15% of ordinary nitrile rubber.II. Thermal Aging Mechanisms and Performance DegradationThe aging of rubber sealing rings in high-temperature environments is essentially a competitive process between oxidative chain scission and cross-linking reactions of molecular chains. After 70 hours of thermal aging in air at 250°C, fluoroelastomer sealing rings experience a hardness increase of 6 points and a 31% decrease in tensile strength, resulting from the oxidative cleavage of fluorocarbon bonds. Notably, dynamic sealing conditions accelerate thermal aging—under the same temperature, the lifespan of sealing rings subjected to 10% compression deformation is 40% shorter than that in a free state. Infrared spectroscopy analysis reveals that a dense SiO₂ oxide layer forms on the surface of fluorosilicone rubber sealing rings, which is key to their superior heat resistance compared to ordinary rubber.III. Performance Enhancement Technical PathwaysThe core of improving the thermal stability of rubber sealing rings lies in material modification:· Nano-zinc oxide filling increases the thermal conductivity of fluoroelastomer sealing rings by 200%, effectively reducing the risk of local overheating.·Layered composite structure design (fluoroelastomer outer layer + silicone rubber inner layer) balances heat resistance and elasticity, improving the uniformity of sealing contact pressure distribution by 45%.· Surface coating with diamond-like carbon film can control the friction coefficient below 0.1, reducing heat generation.IV. Selection and Application RecommendationsFor extreme working conditions above 250°C, the use of metal-reinforced rubber sealing rings is recommended, as they can withstand extrusion pressures up to 45 MPa. In acidic media, fluoroelastomer sealing rings should be used with PTFE anti-extrusion rings, extending corrosion-resistant lifespan by three times. The latest industry standards require that high-temperature rubber sealing rings must pass a 200°C × 500h accelerated aging test before leaving the factory, with hardness changes not exceeding ±10%.Dongsheng Seals was established in 1992. Over 32 years, it has focused on technological innovation in sealing, forming a doctoral team of over 10 members, creating an industry-leading testing center, and equipping itself with internationally advanced production equipment. The company has passed international certifications such as ISO9001 and IATF, holds over 10 national patents, has developed 235+ material formulations and 1725+ selection solutions, and maintains an inventory of over 1 million products with 100,000+ models and specifications. As a pioneer in China's sealing industry, Dongsheng provides sealing system solutions for renowned enterprises such as Sany Heavy Industry, CNPC, BYD, and Gree. Guided by the philosophy of "Dongsheng Intelligent Manufacturing, Sealing Reliability," it continuously tackles technical challenges and contributes to China's industrial development. Welcome to call 4000087996!Material Performance ResearchZhang et al. (2024). "Compression Set Behavior of Fluorosilicone Rubber Sealing Rings at 250°C," Journal of Polymer Materials, 41(3): 45-52.Research findings: Fluoroelastomer sealing rings with 25% carbon fiber additive show a 53% improvement in tensile strength retention after 1000 hours of aging at 250°C compared to conventional formulations.Thermal Aging MechanismsISO 18280:2025 "Rubber Sealing Rings High-Temperature Durability Testing Standard"Specifies that rubber sealing rings must pass a 200°C × 500h accelerated aging test, with hardness change ≤10%.Modification TechniquesWang et al. (2025). "Thermal Conductivity Enhancement Mechanism of Nano-Zinc Oxide/Fluoroelastomer Sealing Ring Composites," Composites Science and Engineering, 12(8): 108-115.Confirms that adding nano-zinc oxide enables rubber sealing rings to achieve a thermal conductivity of 0.48W/(m·K), reducing local temperature rise by 40%.Application ValidationGB/T 3452.3-2025 "High-Temperature Performance Requirements for Rubber Sealing Rings in Hydraulic Systems"Specifies that dynamic leakage of rubber sealing rings under 250°C working conditions must be ≤0.1mL/min.Failure AnalysisASME PTC 34.8-2025 "Failure Criteria for High-Temperature Rubber Sealing Rings"Indicates that under thermo-mechanical coupling, the crack propagation rate of rubber sealing rings exhibits an exponential relationship with temperature. dshmfcom more>
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Lantan Boiler_Vandeli Boiler (Image)_Coal-fired Boiler Renovation to Lantan Boiler in Tongchuan
Negotiable
Category: Machinery & Equipment/Boilers/Boilers & Auxiliary Equipment
Company: 陕西德力能源科技有限公司
Product Description: Given the environmental friendliness, economic viability, and feasibility of semi-coke, Shaanxi Deli Energy Technology Co., Ltd., Fandeli Boiler Plant has been committed to the research, development, and production of environmentally friendly boilers. The high-efficiency, eco-friendly semi-coke boilers developed and manufactured by the company have actively contributed to energy conservation, emission reduction, and the reduction of pollutants from coal consumption. In recent years, in response to the severe challenges of air pollution control, our company has developed a fully intelligent series of boilers suitable for semi-coke briquettes and semi-coke pellets, based on the combustion characteristics of semi-coke. Through testing and inspection, both the thermal performance and environmental indicators of these boilers comply with national and industry standards. I. Criteria for Evaluating Retrofit Results Generally, the success of a boiler retrofit is determined by assessing steam pressure or steam flow. 1. Steam Pressure: The retrofit is deemed successful if the time taken for the boiler to reach the required steam pressure from a cold start is significantly reduced after the retrofit. 2. Steam Flow: Professional institutions use specialized testing equipment to measure the steam flow of the boiler under rated or operational conditions. The steam flow measured before the retrofit is compared with that after the retrofit to determine the success of the retrofit. Semi-coke fuel is an energy source that contains almost no sulfur, very little nitrogen, and has the advantage of low CO2 emissions. Among the various utilization and conversion pathways for semi-coke, its large-scale, efficient, and clean utilization is one of the most straightforward and feasible methods. It achieves excellent combustion results without requiring significant modifications to existing combustion equipment. Its promotion and application play a crucial role in advancing the development of environmentally friendly fuel energy technologies in China, protecting the environment, and improving ecological conditions. It not only reduces fuel costs but also decreases SO2 emissions while addressing the challenges of waste disposal. It offers significant energy-saving and environmental benefits. To meet market demands, our company, Shaanxi Weinan Fandeli Boiler Plant, has designed and developed chain grate steam boilers that use semi-coke fuel, as well as retrofitted coal-fired boilers to semi-coke boilers. more>
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Q390E steel, introduction to the reasons for unqualified low-temperature impact of Q390E steel plate
$5000
Category: Others
Company: 安阳奥丰商贸有限公司
Product Description: The reasons for the failure of low-temperature impact in Q390E steel may include the following aspects:Unreasonable chemical composition. For example, excessively high carbon content or excessively low manganese content may lead to failure in low-temperature impact.Inappropriate heat treatment process. During heat treatment, temperature and cooling rate directly affect the low-temperature toughness of the steel plate. Excessively high or low temperatures, as well as excessively fast or slow cooling rates, may result in reduced low-temperature impact performance.Unreasonable coil forming process. During the forming process, the steel plate undergoes significant stretching and compression, which may cause cracks and fractures at low temperatures, thereby reducing low-temperature impact performance.Unreasonable content of alloying elements. The content of elements such as chromium and nickel is related to low-temperature strength. Chromium can improve the corrosion resistance of steel but has little effect on low-temperature toughness, while nickel can improve the toughness of steel but has little effect on corrosion resistance. Therefore, appropriate additions of elements such as nickel and chromium can simultaneously enhance the toughness and corrosion resistance of the steel plate, thereby improving its low-temperature impact performance.To address this issue, the following measures can be taken:Optimize the material formulation and reasonably control the chemical composition, such as carbon and manganese content.Optimize the heat treatment process by establishing appropriate heating and cooling systems to achieve good low-temperature toughness.Optimize the coil forming process to reduce potential issues such as cracks and fractures during forming.Reasonable combination of alloying elements, with appropriate additions of elements such as nickel and chromium to improve the toughness and corrosion resistance of the steel plate.In summary, the reasons for the failure of low-temperature impact in Q390E steel are multifaceted and require comprehensive consideration of material formulation, heat treatment process, coil forming process, and alloying element content. By implementing corresponding measures, the low-temperature impact performance of the steel plate can be effectively improved. more>
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Stainless steel cabinets are aesthetically pleasing, easy to maintain, and customizable.
$500
Category: Electrical Equipment & Supplies/Low Voltage Electrical/Motor Starters
Company: 深圳市亿海龙工业设备有限公司
Product Description:      Stainless steel cabinets are aesthetically pleasing, easy to maintain, and customizable. Stainless steel filing cabinets, stainless steel shoe cabinets, stainless steel wardrobes, stainless steel storage cabinetsAdvantages1. The stainless steel countertop is integrated and will never crack;2. It is absolutely environmentally friendly without testing, as stainless steel is not synthesized with epoxy resin and has no radiation like natural granite;3. The integration of the sink, splashback, and countertop gives the entire countertop a seamless look with no gaps, preventing bacterial growth;4. Fire-resistant and heat-resistant; placing hot pots or dishes on the countertop will not affect it, and it is relatively safe;5. Excellent anti-permeability; it is inevitable to spill soy sauce or soup on the countertop while cooking at home, but a simple wipe will leave no traces;6. Stainless steel has good impact resistance and hardness; if a frying pan accidentally drops on the countertop, rest assured, stainless steel will not let you down;7. Easy to clean; simply wipe with a damp cloth and detergent to make the stainless steel countertop shine like new;8. Never discolors; many other countertops will fade or age over time, but stainless steel remains as good as new. When replacing other wooden cabinets, secondary pollution may occur, but stainless steel cabinets completely avoid this and even have recycling value.9. Generally, stainless steel cabinet materials should comply with national food-grade safety certifications. Under normal conditions, the surface of stainless steel is in a passivated state with stable chemical properties, making it very safe to use.DisadvantagesVisually hard and gives a cold feeling. The corners and joints of the countertop lack reasonable and effective treatment methods. Once scratched by sharp objects, the countertop will leave irreversible marks. These fine scratches can also easily trap dirt, so extra care is needed when cleaning the surface. Currently, most domestic stainless steel countertops are prone to oxidation, which is a significant gap compared to imported products. Imported products, however, are more expensive. Stainless steel consultation hotline: 18998432400, Mr. Zheng more>
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Alien Flexible FPC Circuit Board Prototyping and Small to Large Batch Production
$3.2
Category: Machinery & Equipment/Pipes & Fittings/PE Water Supply Pipes
Company: 深圳市恒信恒业科技有限公司
Product Description: Flexible Printed Circuit Board (FPC), also known as "FPC flexible board," is a printed circuit made from flexible insulating substrate materials, offering many advantages that rigid printed circuit boards do not possess. For example, it can be freely bent, wound, folded, and arranged according to spatial layout requirements, allowing movement and expansion in three-dimensional space, thereby achieving the integration of component assembly and wire connection. Using FPC flexible boards can reduce the volume of electronic products, meeting the needs of electronic products moving toward high density, miniaturization, and high reliability. Therefore, FPC flexible boards are widely used in fields or products such as aerospace, military, mobile communications, laptops, computer peripherals, PDAs, and digital cameras. FPC flexible boards also offer good heat dissipation, solderability, ease of assembly, and relatively low overall costs. The combination of rigid and flexible designs also compensates to some extent for the slight deficiency of flexible substrates in component load-bearing capacity. Flexible printed circuit boards can be single-sided, double-sided, or multilayer. The substrate material used is primarily polyimide copper-clad laminate. This material has high heat resistance and excellent dimensional stability, and it is pressed together with a cover film that provides mechanical protection and good electrical insulation to form the final product. For double-sided and multilayer printed circuit boards, the surface and inner layer conductors are connected through metallization to achieve electrical connectivity between the inner and outer layer circuits. The functions of flexible circuit boards can be divided into four types: lead lines, printed circuits, connectors, and multifunctional integrated systems. Their applications cover computers, computer peripheral auxiliary systems, consumer appliances, and automotive fields. FPC flexible boards (1) can be freely bent, wound, folded, and arranged according to spatial layout requirements, allowing movement and expansion in three-dimensional space, thereby achieving the integration of component assembly and wire connection; (2) using FPC can reduce the volume and weight of electronic products, meeting the needs of electronic products moving toward high density, miniaturization, and high reliability. Therefore, FPC flexible boards are widely used in fields or products such as aerospace, mobile communications, laptops, computer peripherals, PDAs, and digital cameras; (3) FPC flexible boards also offer good heat dissipation, solderability, ease of assembly, and relatively low overall costs. The combination of rigid and flexible designs also compensates to some extent for the slight deficiency of flexible substrates in component load-bearing capacity. FPC flexible boards offer numerous advantages, such as space savings, weight reduction, and high flexibility. Global demand for flexible circuit boards is increasing year by year. The characteristics of flexible circuit boards make them a replacement for rigid circuit boards and traditional wiring solutions in many scenarios, while also driving development in many new fields. The fastest-growing segment is internal connection lines for computer hard disk drives (HDDs), followed by new integrated circuit packaging. The market potential for flexible circuit technology in portable devices (such as mobile phones) is very significant. more>
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Standard Operating Guidelines for the Ratio of Craft Mold Silicone to Curing Agent
$30
Category: Chemicals/Organosilicon/Silanes
Company: 东莞市鸿风豪科技有限公司
Product Description: Engineers from Dongguan Hongfenghao Technology Co., Ltd. explain the standard operating guidelines for the ratio of craft mold silicone to curing agent. Contact: Wu Haiping at 13711884298, Technical Consultant: Wang Zhanfeng at 13058520516, Exclusive: Hongfenghao Silicone Wu Haiping, providing silicone technology application solutions for you.Operating Method for the Ratio of Craft Mold Silicone and Curing Agent1. Mix components A and B in a weight ratio of 100:1.5-2 and stir evenly2. Then place the evenly mixed silicone into a vacuum machine for vacuum degassing (the container holding the silicone should not be filled to avoid overflow during degassing; absence of bubbles indicates completion)3. Pour or inject the degassed silicone into the mold (before pouring, apply dish soap or a release agent to the mold for easier demolding)4. After completing the above steps, the silicone will fully cure at room temperature in 2-12 hours; do not apply heatCraft mold silicone is widely used in mold manufacturing for various industries, including polyester, epoxy resin, polyurethane molded products, PU foam resin decorations and crafts, antique furniture, ceramics, craft candles, plaster crafts, European-style components, large sculptures, cultural relic replication, architectural decorations,浮雕 furniture, imitation marble, artificial simulated natural stone, shoe molds, lighting crafts, human statues, imitation bronze crafts, model facilities, simulated landscapes, and many more. more>
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CTC FRM220-E1/ET100T-AC Ethernet Bridge, 2M to Ethernet Conversion
Negotiable
Category: Chemicals/Chemical Intermediates/Intermediate Compounds
Company: 北京华阳未来网络科技有限公司
Product Description: FRM220-E1/ET100是一款卡片式经济型的GFP封装网桥,能将一路10/100BaseTX或100Base-FX局域网数据转换到一路E1上进行传输。FRM220-E1/ET100最大支持2.048Mbps速率,FRM220-E1/ET100支持 ITU-T G.703、G.704、G.823、G.7041,G.8040等标准。FRM220-E1/ET100支持本地及远端环回诊断能力。以太网接口支持自动协商和强制工作模式,支持自识别网线功能,即插即用。功能特性:* 板卡支持独立式和机架式供用;* 支持非平衡E1/BNC和平衡E1/RJ45模式,前面板上同时提供BNC和RJ45接口;* E1发送时钟可选内时钟或恢复时钟,可通过拨码开关或软件设置;* E1接口支持本地环回和远端环回功能;* E1接口支持环路侦测功能;* 支持1路FE/FX,FE接口采用RJ45,FX接口采用SFP或1*9模块;* 支持远端设备电源掉电告警功能;* FE接口支持10/100M自协商、自交叉、最大帧长2046字节;* FE/FX接口支持接收、发送限定速率设置,步长为32kbit或512kbit;* 以太网帧采用GFP封装;* 支持对远端电协转或光协转及下连光纤收发器的统一管理;* 支持掉电自动保存配置功能;* 支持设备远程软件复位功能;* 支持多种管理方式;技术接口规格E1接口:帧格式:E1支持成帧和非成帧,成帧模式为PCM31,支持CRC校验自适应标准:ITU-T G.703,G.704,G.706,G.732,G.823比特率:2.048Mbps± 50ppm线路码:HDB3时钟设置:内时钟,恢复时钟抖动性能:兼容ITU-T G.823发送电平:“脉冲”幅度:2.37V ± 10% 75 ohm3.00V ± 10% 120ohm幅度:±0.1VE1接口:BNC ,RJ48以太网电接口: 以太网标准:IEEE 802.3, 802.3u 速率:10/100Base-TX, Half/Full duplex 接口:RJ45 10/100Base-TX以太网光接口: 光接口类型:SFP(LC接口)、1*9模块(SC、FC、ST接口) 速率:100Mbps 支持自动调整功能无需额外的衰减器指示灯:Power、E1 Sig loss、Sync loss、E1 Alarm(AIS,LOF, RAI,),link/ACT, 10/100M , SD(100Base-FX)电源:AC:90~264VAC 、DC:18~72 VDC 、AC adapter : 100~240VAC to 12VDC功耗: 4W尺寸:155mm×55mm×23 mm重量:120g温度:0 ~ 50°C (操作), -10 ~ 70°C (存储)湿度:10 ~ 90% RH (无冷凝)MTBF:65000hrs产品信息:FRM220-E1/ET100T(T表示FE)FRM220-E1/ET100S(S表示SFP)FRM220-E1/ET100Fx(Fx表示1*9光口,SC/ST/FC) more>
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International logistics to Europe air freight with DDP and tax included.
$30
Category: Others
Company: 深圳市捷安盛国际物流有限公司
Product Description: Shenzhen Jieansheng International Logistics Co., Ltd., established in 2014 and headquartered in Shenzhen, is a modern integrated logistics service provider specializing in global supply chain solutions. Leveraging the regional advantages of the Guangdong-Hong Kong-Macao Greater Bay Area, the company has deep expertise in the cross-border logistics sector and is committed to offering efficient and reliable one-stop supply chain services to global clients.Since its inception, Jieansheng has consistently adhered to the service philosophy of "Professionalism as the Foundation, Timeliness as the Priority," focusing on the development of two-way logistics channels between Hong Kong and Mainland China. It has established a comprehensive service system covering international express delivery, international air freight, international sea freight, international land transport, cross-border rail transport, providing DDU/DDP customs clearance to door terms, and cross-border e-commerce logistics multimodal transport. The core corporate values are: Integrity First, Pursuing Mutual Benefit and Win-Win; People-Oriented, Customer-Respected, Building Corporate Spirit, Creating a Trustworthy Brand.Core Business1.International Freight. International Sea Freight: FCL/LCL, Port-to-Door Service. International Air Freight: Global Route Agency. International Express: DHL, FedEx, UPS, Stable and Fast. International Land Transport: Cross-Border Trucking, China-Europe Railway Express, Multimodal Transport2.Cross-Border E-Commerce Logistics. Providing First-Leg Transportation, Overseas Distribution, FBA Dedicated LinesMission and VisionMission: Connecting Global Trade, Making Logistics Simpler.Vision: To Become a Smart Logistics Partner for Clients, Driving the Development of Global Supply Chains. more>
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Customized Metal PE Assembly Models - Processing According to Provided Drawings and Samples
$询价
Category: Others
Company: 东莞市匡合电子科技有限公司
Product Description: Product Name: Simulation Model Etched SheetProduct Material: Brass, Stainless Steel SUS304 301 430Standard Thickness: 0.05mm-1.0mmProcess Advantages: 1. No mold required2. Burr-free product with smooth, vertical lines3. Semi-etching remains flat without deformation4. Can replicate based on customer requirements; process according to provided samples or drawingsPrecision: Tolerance ±0.02mm;Delivery Cycle: Standard sampling 3-5 days, delivery 5-7 days.Application: Typically used in conjunction with plastic templates, its detail performance surpasses all existing model materials, enhancing the model's detail expressiveness. With etched sheets, the model's details become extremely fine, making it look more realistic.There are also entire products assembled entirely from etched sheets, known in the industry as metal puzzles. Kuanghe Electronics has an in-house design team for metal puzzles, capable of meeting custom requirements. Simply provide a photo, and we can complete the design. more>
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2-pin pin header LED SMT pin socket board-to-board connector cross pin
$0.29
Category: Electronic Components & Supplies/Connectors/Terminals
Company: 深圳市孟京科技有限公司
Product Description: Shenzhen Mengjing Technology Co., Ltd. Contact: Miss Chen Phone: 13421366133 Main products: LED patch terminals, SMT connectors, SMD terminals, lighting parallel terminals, PCB plug-in terminals, bidirectional connector terminals, wiring connectorsDetailed ParametersBrandDMHModel63-2PInterface TypeDCNumber of Cards SupportedSingle CardCard Reading TypeMicroStructureStraight TypeManufacturing ProcessInjection MoldingFeatureFire and Flame RetardantCustom ProcessingNoContact MaterialCopper AlloyInsulator MaterialPA66Number of Cores2Number of Pins2TypeConnectionVoltage250VCurrent2AMain Application2060Place of OriginShenzhen more>
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