Negotiable

Category: Machinery & Equipment/Filtration Equipment/Centrifuges

Company:

Product Description: Hollow fiber membrane is an important form of separation membrane. In the unit volume membrane module, hollow fiber membrane has a large effective membrane area, high filtration and separation efficiency, is easy to clean, has a simple structure, is convenient to operate, and does not generate secondary pollution during the production process, thus it is widely used. Hollow fiber membrane is one of the main forms of membrane filtration. The membrane is capillary-like, with micropores located on the tube wall. The solution achieves separation based on whether its components can pass through these micropores.Device Parameters of Hollow Fiber Filtration Experimental Machine:Circulation Volume:0.2L  Working Pressure:0.25MPaSuitable Working Temperature:5～45℃Suitable pH Range:2～12Pump Power:180WFiltration Rate:1～10L/hEquipment Specifications:400 (L) × 450 (W) × 580 (H) mmEquipped with automatic overpressure protection function; automatically shuts down when overpressurized.Basic Configuration of Hollow Fiber Membrane Filtration Experimental Machine:One electromagnetic feed pump, two sets of stainless steel membrane modules, three sets of shock-resistant pressure gauges, one material balance tank, three pressure regulating valves, two ultrafiltration membrane elements (optional); equipment支架,连环卡节, pipelines and their connectors若干.Bona After-Sales ServiceBona Instrument Equipment Maintenance Center is fully equipped with various instrument maintenance and testing devices. We maintain good business relationships with most instrument manufacturers, have ample original instrument parts, and employ many professional maintenance engineers with rich repair experience, excellent technical skills, and strong professional ethics. We undertake the maintenance and servicing of various domestic and international laboratory instruments and meters. Over the years, our *, fast, and comprehensive technical services, enthusiastic and flexible service approach, and the service principle of "guaranteed quality, efficiency, and reasonable prices" have earned us widespread praise and trust from our customers. We welcome more users to establish * cooperative agreements with us for instrument maintenance and servicing. We will provide you with fast, efficient, and affordable instrument repair services. Adhering to the philosophy of making customers feel at ease,省心, and satisfied, with the宗旨 of "precision repair" and the principle of "repair rather than replace," we strive to save maintenance costs for our users. We wholeheartedly provide优质的服务 to every new and old customer. more>

$15.5

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company:

Product Description: more>

$4700

Category: Metallurgy & Minerals/Common Steel/Steel Rails

Company:

Product Description: Q420C and Q420NC are steel grades defined in the Chinese national standard GB/T 1591-2018 "High Strength Low Alloy Structural Steels." Their main differences lie in the quality grade and possible through-thickness performance requirements.Q420C:"C" indicates the quality grade of the material, typically related to impact testing at 0°C.Q420C steel plates require a yield strength of at least 420 MPa and a tensile strength between 520 and 680 MPa.Q420C generally does not specify through-thickness performance and is suitable for general structural and engineering applications.Q420NC:"NC" indicates that the material has specific through-thickness performance. "N" stands for normalized or normalized-rolled condition, and "C" represents impact testing at 0°C.In addition to meeting the mechanical property requirements of Q420C, Q420NC also possesses specially treated performance in the thickness direction, such as Z-direction performance grades Z15, Z25, Z35, etc. These grades indicate higher impact energy absorption requirements in the thickness direction.Yield Variation:For both Q420C and Q420NC, yield strength is the stress value at which the material begins to undergo permanent deformation under external force. Variations in yield strength are mainly influenced by the material's chemical composition, microstructure, and production process.Within the same thickness range, the yield strength requirements for Q420C and Q420NC are the same, both being no less than 420 MPa. However, since Q420NC may undergo normalization treatment or possess specific through-thickness performance, its microstructure may be more uniform, which could affect the distribution and consistency of yield strength.Through-thickness performance requirements (such as Z-direction performance) may enable Q420NC to exhibit better yield strength uniformity in the thickness direction, especially in thick plate materials, which helps improve structural reliability and safety.In practical applications, the choice between Q420C and Q420NC depends on the specific requirements of the structural design. If the structure demands higher performance in the thickness direction or requires better welding performance and impact toughness, Q420NC may be selected. If through-thickness performance is not a critical requirement, Q420C may be a more cost-effective option. Engineers should choose the appropriate material based on specific engineering needs and safety standards.High-strength coil3.75mmQ420C0.01500.0128.850High-strength coil3.75mmQ420C0.01500.0128.930High-strength coil3.75mmQ420C0.01500.0128.780High-strength coil3.75mmQ420C0.01500.0128.800High-strength coil3.75mmQ420C0.01500.0128.820High-strength coil3.75mmQ420C0.01500.0128.900High-strength coil3.75mmQ420C0.01500.0128.710High-strength coil3.75mmQ420C0.01500.0128.770High-strength coil3.75mmQ420C0.01500.0128.780 more>

$4200

Category: Metallurgy & Minerals/Common Steel/Steel Rails

Company:

Product Description: Q420ND steel plate is a type of high-strength low-alloy structural steel defined in the Chinese national standard GB/T 1591-2018 "High Strength Low Alloy Structural Steels." The "N" indicates normalized or normalized rolled condition, and the "D" signifies that the steel plate maintains good impact toughness at temperatures as low as -20°C. Q420ND steel plate is widely used in bridges, buildings, machinery manufacturing, and other fields due to its high strength and excellent low-temperature impact properties.In European standards, materials with similar properties to Q420ND steel plate may include the following:EN 10025-6 S460NL:S460NL is a high-strength structural steel defined in the European standard EN 10025-6. "NL" indicates that the material has impact property requirements at low temperatures of -50°C, which is similar to the low-temperature impact performance requirement of Q420ND at -20°C.EN 10113-3 S460M:S460M is a thermomechanically rolled steel defined in the European standard EN 10113-3. "M" indicates that the material has high yield strength and good impact energy absorption properties.EN 10225 S460:S460 is a weldable structural steel defined in the European standard EN 10225, with yield strength and tensile strength similar to those of Q420ND.When considering material substitution, multiple factors must be taken into account, including chemical composition, mechanical properties, impact test temperature, weldability, and processability. Although Q420ND and the aforementioned European standard materials may be similar in terms of yield strength and tensile strength, there may be differences in specific chemical composition and performance requirements. For example, European standard materials may have specific requirements for alloying elements or different regulations for certain performance indicators.Therefore, in practical applications, if Q420ND steel plate needs to be replaced with a European standard material, it is advisable to consult with material suppliers or professionals to ensure that the selected material meets engineering requirements and safety standards. Additionally, considering the needs of international trade and project cooperation, using internationally recognized material standards can help reduce obstacles in the material substitution and certification process.High-strength coil plate3.75mmQ420ND0.01500.0128.780High-strength coil plate3.75mmQ420ND0.01500.0128.800High-strength coil plate3.75mmQ420ND0.01500.0128.820High-strength coil plate3.75mmQ420ND0.01500.0128.900High-strength coil plate3.75mmQ420ND0.01500.0128.710High-strength coil plate3.75mmQ420ND0.01500.0128.770High-strength coil plate3.75mmQ420ND0.01500.0128.780High-strength coil plate3.75mmQ420ND0.01500.0128.820High-strength coil plate3.75mmQ420ND0.01500.0128.550 more>

$4200

Category: Others

Company:

Product Description: Q390E is a high-strength low-alloy steel specifically designed for low-temperature environments, with very strict composition control to ensure good toughness and impact performance under low-temperature conditions. The "E" grade typically indicates higher requirements for low-temperature impact performance.In addition to containing basic elements such as carbon, manganese, silicon, phosphorus, and sulfur, the chemical composition of Q390E strictly controls the content of these elements to reduce the material's brittleness at low temperatures. For example, the content of sulfur and phosphorus is kept very low to avoid the formation of brittle phases, which could affect the material's toughness.Furthermore, Q390E may also include special alloying elements such as nickel (Ni), chromium (Cr), and molybdenum (Mo), which can enhance the steel's low-temperature toughness and strength. Nickel expands the austenite phase region, increasing the steel's toughness, while chromium and molybdenum improve the steel's strength and corrosion resistance.The low-temperature composition control of Q390E ensures that the material maintains excellent mechanical properties even in extreme low-temperature environments, making it suitable for applications such as oil and gas pipelines, polar engineering structures, and other fields that require operation at low temperatures. Low-temperature performance testing for this type of steel typically includes impact tests at -40°C or lower temperatures to verify its reliability in practical applications.Anyang SteelCoil5.75mmQ390E0.01500.0128.120Anyang SteelCoil5.75mmQ390E0.01500.0128.410Anyang SteelCoil5.75mmQ390E0.01500.0128.810Anyang SteelCoil5.75mmQ390E99.01500.0128.470Anyang SteelCoil5.75mmQ390E99.01500.0128.620Anyang SteelCoil5.75mmQ390E0.01500.0128.810Anyang SteelCoil5.75mmQ390E0.01500.0128.700 more>

Negotiable

Category: Silk Yarn

Company:

Product Description: Pure oil silk and tsumugi silk belong to natural silk, while real silk refers to silk made from silkworm or spider silk. Since tsumugi silk is a blend of mulberry silk, cocoon silk, and wild silk, rather than from a single source, some people may question whether tsumugi silk qualifies as real silk. However, according to the definition by the International Fiber Organization, real silk refers to silk made from the silk of silkworms (such as silver reel silkworms and tussah silkworms) and some wild silkworm species (like the axe-holding silkworm, spicy silkworm, and mulberry hook silkworm), or spider silk (such as from the golden phoenix spider and Emei spider). Therefore, tsumugi silk also falls within the category of real silk. more>

$220

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company:

Product Description: Babbitt metal is a material used for manufacturing components such as bearing bushes and sleeves, which are friction pairs that directly engage with shafts or journals. Sliding bearing materials must possess excellent anti-friction properties, wear resistance, embeddability, conformability, corrosion resistance, and sufficient load-bearing capacity to reduce friction and wear, thereby extending the service life of the bearings. Bearing bushes are made from sliding bearing materials with good anti-friction properties, including metallic materials (such as copper alloys, aluminum alloys, and Babbitt metal) and non-metallic materials (such as plastics, graphite, rubber, and wood). Some metallic materials with good anti-friction properties have low strength (e.g., Babbitt metal) and are only cast as a layer on the surface of bearing bushes made from higher-strength materials, known as bearing liners. The part supporting the bearing liner is called the liner backing, commonly made from mild steel, cast iron, or bronze. To further improve the surface properties of the bearing liner, a thin layer of metal with even better anti-friction properties (such as indium) can be plated onto its surface. Bearing bushes manufactured from multiple layers of different metallic materials are called multilayer metal bearing bushes. Bearing bushes whose inner bore shape is largely unaffected by the shape of the bearing housing bore are called thick-walled bearing bushes; those whose inner bore shape primarily depends on the shape of the bearing housing bore are called thin-walled bearing bushes. Thin-walled bearing bushes are widely used in mass-produced machinery such as internal combustion engines and air compressors.Compressive strength and fatigue strength, wear resistance, run-in capability, friction compatibility to prevent adhesion to journals, conformability to compensate for initial poor fit of sliding surfaces, embeddability to allow hard particles to embed and reduce journal scoring, thermal conductivity, corrosion resistance, manufacturability, cost, etc. more>

$2311

Category: Hardware & Tools/Castings/Iron Castings

Company:

Product Description: How to distinguish whether the material of a cast iron platform is HT200 or HT250?As an essential foundational tool in industrial manufacturing, the material properties of a cast iron platform directly affect machining accuracy and equipment lifespan. HT250, as a high-strength cast iron grade, features good wear resistance, high compressive strength (250MPa), and excellent machinability, making it widely used in applications such as machine tool bases and inspection platforms. So, how can one accurately determine whether a cast iron platform is made of genuine HT250 material? The following provides identification methods from six dimensions.1. Physical Performance Testing Method1. Hardness Test: The Brinell hardness range of HT250 is typically between 180-250 HB. Use a portable hardness tester to take multiple measurements at different locations on the platform. If the values are below 170 HB, it may be a lower-grade cast iron; if above 260 HB, it could be alloy cast iron or specially treated.2. Acoustic Identification: Tap the platform with a metal rod. HT250 will produce a clear, resonant metallic sound that lasts longer, while lower-grade cast iron will produce a dull, short sound. Experienced personnel can preliminarily judge the material based on sound frequency differences.2. Chemical Composition Analysis MethodUsing a spectrometer to detect key element content can determine the material:Carbon equivalent (CE) should be controlled between 3.9%-4.3%Carbon content (C) 2.9%-3.3%Silicon content (Si) 1.4%-2.0%Manganese content (Mn) 0.6%-1.2%3. Metallographic Structure Observation MethodObserve the sample under a 100x microscope:HT250 should exhibit fine lamellar pearlite (≥95%)Graphite morphology should primarily be Type A (uniformly distributed)Graphite length should be controlled at grades 4-6If a large amount of ferrite or Type D graphite is found, the strength does not meet standards. According to one inspection statistic, 30% of "HT250" platforms are actually HT200, with pearlite content only around 85%.4. Mechanical Performance Verification Method1. Bending Strength Test: The bending strength of a standard HT250 test bar under a 300mm span should be ≥450 MPa. Request the supplier to provide test reports for accompanying test bars.2. Elastic Modulus Measurement: The elastic modulus of HT250 is 105-130 GPa, which can be measured non-destructively using the vibration frequency method. One production line once experienced excessive robot repeatability errors due to insufficient platform elastic modulus.5. Surface Feature Identification Method1. Machining Mark Observation: After machining, HT250 surfaces appear uniformly gray-white, with chips being curly; inferior cast iron may show "chill" or "pitting."2. Casting Mark Identification: Reputable manufacturers will cast "HT250" markings on non-working surfaces and provide material certificates. Be cautious of products with ground or painted-over markings.Mastering these identification methods can help avoid the risk of inferior material substitution. It is recommended that users adopt a "initial inspection + re-inspection" dual process during acceptance, combining physical testing and chemical analysis to ensure the cast iron platform meets the genuine performance requirements of HT250. For platforms used in critical workstations, material performance should be rechecked every two years to ensure long-term stability.Weiyue Machinery, Ms. Xie, 15350773479 more>

$600

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company:

Product Description: Custom Processing of Pump Valve Babbitt Seal SleevesPlain bearings (bushings, sleeves, slide blocks, and support pads) offer advantages such as high load capacity, impact resistance, stable and reliable operation, vibration absorption, and noise reduction. Today, they are still widely used as rotating supports in heavy machinery like roll grinders, steel rolling mills, and ball mills.Plain bearings (bushings, sleeves, slide blocks, and support pads) provide benefits including high load capacity, impact resistance, stable and reliable operation, vibration absorption, and noise reduction. They remain the preferred choice for rotating supports in heavy equipment such as roll grinders, steel rolling mills, and ball mills. To enhance the friction properties of plain bearings (bushings and support pads), a layer of anti-friction material, known as a bearing liner, is cast onto their surfaces. The materials used for bushings and liners are collectively referred to as plain bearing materials. Common plain bearing materials include bearing alloys, also known as Babbitt metal, white metal, or Babbitt alloy. Hence, such bushings are often called Babbitt bushings, white metal bushings, or Babbitt alloy bushings. Babbitt bushings are characterized by excellent anti-friction properties, wear resistance, run-in capability, and friction compatibility; sufficient strength at room temperature, including compressive and fatigue strength; good friction compliance and embeddability; favorable processing characteristics; good fluidity for casting; corrosion resistance, low thermal expansion coefficient, and other advantages. Babbitt bushings are used in power machinery across industries such as metallurgy, building materials, papermaking, transportation, chemical, and power generation. Henan Huachuang specializes in Babbitt alloy, Babbitt bushings, Babbitt support pads, and Babbitt sleeves. more>

$2311

Category: Hardware & Tools/Castings/Iron Castings

Company:

Product Description: Application Scope of T-Slot Ground RailsAs a "mobile reference rail" in industrial scenarios, T-slot ground rails break the limitations of traditional fixed platforms with their features of connectability, high load-bearing capacity, and easy positioning. They are suitable for heavy equipment movement, multi-station collaborative testing, and large component assembly. Unlike ordinary rails that only provide a single guiding function, T-slot ground rails, through their standardized T-slots on the surface, can simultaneously achieve equipment fixation, position adjustment, and precision calibration. They are widely used in mechanical manufacturing, new energy, and other fields. This article details the application scope of T-slot ground rails in three core areas, providing clear guidance for scenario adaptation.1. Heavy Equipment Production and Testing: Supporting Movement and Load Requirements1. Large Motor and Reducer Testing ScenariosIn the production and testing of heavy-duty motors (power above 100kW) and mining reducers, T-slot ground rails serve as the "core skeleton of the mobile testing platform."The ground rails are made of QT600 ductile iron (tensile strength ≥600 MPa), with a single length of 3-6m, which can be connected to form rails over 20m long. Their load-bearing capacity reaches 50-100t, meeting the translation needs of heavy equipment.Through the T-slots on the ground rails (slot width 30-40mm, slot spacing 300mm), combined with a movable test bench, quick connection between the motor and the dynamometer is achieved. When testing motors of different specifications, the bench can be adjusted along the ground rail with a precision of ±0.1mm, eliminating the need to rebuild the reference and improving testing efficiency by 40%.Typical Application: A heavy industry enterprise used a 15m long T-slot ground rail to build a heavy reducer testing line, which can simultaneously accommodate reducers with torque ranging from 500 to 2000 N・m, increasing the annual testing volume to 1200 units.2. Engineering Machinery Assembly ScenariosIn the assembly of large components for engineering machinery such as excavators and cranes, T-slot ground rails are used for "shifting and positioning large components."The ground rails are laid on the workshop floor with a flatness error of ≤0.05mm/m. Using hydraulically driven mobile fixtures, engineering machinery frames weighing up to 30t are translated along the ground rails to assembly stations.The fixtures are fixed to the ground rails via T-slot bolts, with a positioning accuracy of ±0.03mm, ensuring that the coaxiality error between the frame and the boom or slewing mechanism is ≤0.1mm, avoiding abnormal noises caused by assembly deviations.Advantage: Compared to traditional crane hoisting and shifting, ground rail translation reduces component shaking (from ±5mm to ±0.5mm) and increases assembly qualification rates from 85% to 99%.2. Automated Production Lines and Multi-Station Applications: Enabling Collaboration and Flexible Production1. Automotive Parts Automated Assembly LinesIn the mass production of automotive parts such as chassis and transmissions, T-slot ground rails serve as the "foundation rails for flexible production lines."The ground rails are laid according to the production line cycle, with a single length of 4m. After connection, they form circular or linear tracks, working in conjunction with AGVs (Automated Guided Vehicles) or mobile fixtures to enable the flow of workpieces between different stations.Fixtures are quickly positioned via the T-slots on the ground rails (positioning time ≤30 seconds), ensuring unified benchmarks for welding, inspection, and assembly stations. For example, in automotive transmission assembly, the coaxiality error at each station is ≤0.05mm, improving product consistency by 30%.Adaptation Scenario: An automotive manufacturer used a 200m circular T-slot ground rail for their transmission production line, achieving an assembly cycle of 1 minute per unit and an annual production capacity of 150,000 units.The application scope of T-slot ground rails essentially responds to the needs of "mobile reference + positioning + heavy-load support." From the ton-level loads in heavy equipment testing to the flexible collaboration in automated production lines and the adaptability in scientific research experiments, their functional characteristics can flexibly meet different scenarios. Under the trends of industrial intelligence and production flexibility, T-slot ground rails will further break through application boundaries, becoming key infrastructure that connects dispersed workstations, improves production efficiency, and ensures experimental precision, providing stable support for operational and technological innovation across various fields.Weiyue Machinery, Ms. Xie, 15350773479 more>

$面议

Category: Chemicals/Inorganic Salts/Fluorides

Company: Hangzhou Shuli Biotechnology Co., Ltd.

Product Description: Calcium Fluoride 99.% 300 meshUsed in ceramics, monthly usage 3 tonsCalcium Fluoride 99.% 300 meshUsed in ceramics, monthly usage 3 tonsCalcium Fluoride 99.% 300 meshUsed in ceramics, monthly usage 3 tonsCalcium Fluoride 99.% 300 meshUsed in ceramics, monthly usage 3 tonsCalcium Fluoride 99.% 300 meshUsed in ceramics, monthly usage 3 tons more>

$400

Category: Others

Company: Hangzhou Shuli Biotechnology Co., Ltd.

Product Description: Model:SL-Y08  I. Main components: Composed of marine active substances such as glycine and amino acids, with a characteristic odor.II. Marine active substance glycine is derived from kelp through extraction, separation, purification, concentration, and refined drying. It has a natural fishy odor.III. The technology studies the compatibility relationships and synergistic effects of various feeding attractants, including marine active substance glycine and amino acids. Tailored for different aquatic animals, it involves screening and optimizing combinations to develop species-specific feeding attractants and growth promoters. A series of products have been developed for shrimp, crab, soft-shelled turtle, eel, and marine and freshwater fish.Main Ingredients: Taste regulators, natural plant extracts, and excipients; non-toxic, harmless, and environmentally friendly.Mechanism of Action:1. Stimulates the feeding center;2. Regulates related hormone levels, enhances nutrient metabolism, or promotes nutrient absorption;3. Improves the palatability of the diet;4. Stimulates saliva secretion and increases gastric juice secretion;5. Increases the height of intestinal villi and reduces crypt depth, maintaining the integrity of small intestinal cells;6. Enhances liver detoxification function (including mycotoxins, etc.).Effects:1. Effectively increases feeding speed by 30-50% and increases feed intake by 10-30% (varies depending on diet composition, animal health, and environmental conditions);2. Increases feed intake in animals under special conditions (stress, illness, breeding, pregnancy, lactation) and promotes digestion;3. Enhances the intake of hard-to-digest feeds (non-conventional feeds), maintaining high production levels with lower feed costs;4. Improves animal production performance and feed conversion rate;5. Reduces stress-induced diarrhea.6. Expands the range and usage of non-conventional feed ingredients, lowers feed costs, and improves production efficiency.Usage and Dosage:Suitable for various livestock, poultry, and aquatic feeds. Add 200–300 grams per ton of complete feed. For cases where feed or animal physiological factors significantly affect feed intake, the dosage can be appropriately increased to 500 grams per ton.Packaging and Storage: Per box: 5kg/4 bags, 20kg/box. more>

Negotiable

Category: Chemicals/Inorganic Salts/Sulfides

Company: Hangzhou Shuli Biotechnology Co., Ltd.

Product Description: 要求粒径2-3um，铁，硅 锆含量低的，用于流延要求粒径2-3um，铁，硅 锆含量低的，用于流延要求粒径2-3um，铁，硅 锆含量低的，用于流延要求粒径2-3um，铁，硅 锆含量低的，用于流延要求粒径2-3um，铁，硅 锆含量低的，用于流延要求粒径2-3um，铁，硅 锆含量低的，用于流延要求粒径2-3um，铁，硅 锆含量低的，用于流延要求粒径2-3um，铁，硅 锆含量低的，用于流延 more>

$25000

Category: Chemicals/Ethers/Other Ethers

Company: Jinan Xinbo Chemical Co., Ltd.

Product Description: 2-Methyltetrahydrofuran more>

$9000.00

Category: Chemicals/Laboratory Reagents/Other Chemical Reagents

Company:

Product Description:        随着科技发展，为了防止各种植物生长的病虫侵害，专家们研制出各种生物天敌，例如：异色瓢虫、赤眼蜂、蠋蝽、捕食螨、烟盲蝽、小花蝽、管氏肿腿蜂、花绒寄甲、周氏啮小蜂等等，啤酒酵母粉也被广泛应用于捕虫生物养殖中。这种利用活体虫类，以虫治虫，主动出击，以达到快速杀灭病虫、高效、绿色、环保的方式越来越深受客户欢迎，从而养殖虫类用啤酒酵母粉的作用也越来越受到重视。       啤酒酵母粉是生物养殖的重要蛋白来源，从各方面满足其生长需要。其丰富的B族维生素及矿物质，可满足昆虫生产周期的营养性。同时，其特有的酵母香味对昆虫具有很好的诱引效果。       啤酒酵母粉其稳定的功能性体现在：优质的饲料原料，改善营养结构，优化宜生源性饲料；       啤酒酵母粉其良好的可口性体现在：精选的原料来源，满足动物味蕾，提升动物的采食量；       啤酒酵母粉其强大的消化性体现在：特定的加工工艺，减少抗营养因子，充分发挥产品性能。 more>

Negotiable

Category: Others

Company: Jiaxing Xinrui Pharmaceutical technology Co., Ltd

Product Description: more>

Negotiable

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: Xiamen Well Chemical Co., Ltd

Product Description: CAS NO:8050-26-8EC NO:232-479-9Molecular Formula:C5H12O4·Molecular Weight:Synonyms:Pentaerythritol rosinate;Pentaerythrityl rosinate;Pentaerythritol ester of rosin;Rosin, pentaerythritol ester;Rosin, pentaerythritol polymer;Rosin, pentaerythritol resin;Resin acids and Rosin acids, esters with pentaerythritol;Rosin Penta Ester;Molecular Structure: more>

Negotiable

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: Xiamen Well Chemical Co., Ltd

Product Description: more>

Negotiable

Category: Chemicals/Pharmaceutical Raw Materials/Amino Acids & Derivatives

Company: Xiamen Well Chemical Co., Ltd

Product Description: more>

Negotiable

Category: Others

Company: Shanghai Star Pharm Co., Ltd.

Product Description: more>