Overview
PE4141B-W is a premium grade of high-density polyethylene (HDPE) specifically formulated for industrial applications. This material offers an exceptional balance of strength, chemical resistance, and processability, making it suitable for demanding environments. As a thermoplastic polymer, it can be repeatedly melted and reshaped, offering manufacturing flexibility. Developed for durability, PE4141B-W maintains its properties across a wide temperature range. Its molecular structure provides excellent resistance to impact, even at low temperatures, while the formulation includes additives for enhanced UV stability when used in outdoor applications. The material meets various international standards for industrial polyethylene.
Physical and Chemical Properties
PE4141B-W exhibits typical HDPE characteristics with some enhanced properties. The material has a density range of 0.94-0.96 g/cm³, placing it in the high-density category of polyethylene. Its crystalline structure contributes to its strength and rigidity while maintaining some flexibility. The melting point range of 120-140°C makes it suitable for various processing methods including injection molding and extrusion. Chemically, PE4141B-W demonstrates excellent resistance to most acids, alkalis, and organic solvents at room temperature. It has low moisture absorption (less than 0.01% in 24 hours) and good electrical insulation properties. The UV-stabilized version shows significantly improved weatherability compared to standard HDPE grades, with minimal degradation from sunlight exposure.
Main Applications
PE4141B-W finds extensive use in industrial piping systems due to its chemical resistance and pressure-bearing capacity. It's commonly specified for water distribution pipes, chemical processing conduits, and gas pipelines where corrosion resistance is critical. The material's durability also makes it ideal for large storage tanks and industrial containers. In packaging applications, PE4141B-W is used for heavy-duty sacks, drums, and intermediate bulk containers (IBCs). Its UV-stabilized version is particularly valued for geomembranes in landfill liners and water containment systems. Additional uses include plastic lumber, marine applications, and automotive components where impact resistance is required.
Safety and Storage
While PE4141B-W is generally considered safe, proper handling procedures should be followed. During processing at high temperatures, adequate ventilation is recommended to prevent inhalation of any decomposition products. The material in pellet or powder form may generate dust, requiring appropriate respiratory protection in confined spaces. For storage, PE4141B-W should be kept in its original packaging in a dry environment below 40°C. Avoid exposure to direct sunlight for extended periods, even though the material contains UV stabilizers. Keep away from strong oxidizing agents and heat sources. Shelf life is typically 12-24 months when stored properly, though material can often be used beyond this period if properties are verified.
B2B Procurement Guide
When sourcing PE4141B-W, buyers should clearly specify their application requirements. Key parameters to define include melt flow index (MFI), which affects processing characteristics, and any required additives like UV stabilizers or antioxidants. Minimum order quantities typically range from 1-5 metric tons for standard grades. Quality verification should include certificates of analysis for density, melt index, and additive content. For critical applications, consider requesting material traceability documentation. Lead times vary but generally allow for 2-4 weeks for standard formulations. Bulk shipments in 25kg bags or super sacks offer cost advantages for large-volume users. Consider regional availability when planning procurement to minimize transportation costs.
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