Overview
Schulman Plastics, now part of LyondellBasell after its 2018 acquisition, is a pioneer in engineered thermoplastic compounds. Founded in 1928, the company specializes in blending base polymers (e.g., PP, PE, PVC) with additives to achieve targeted performance characteristics. Its products serve as lightweight, cost-effective alternatives to metals in industrial applications. With manufacturing facilities across North America, Europe, and Asia, Schulman Plastics supplies customized formulations to meet regional regulatory standards and industry-specific requirements. The brand is particularly recognized for its ColorMaster® color concentrates and Polybatch® additive systems.
Physical and Chemical Properties
Schulman's plastic compounds exhibit diverse properties based on their polymer matrix and additive packages. Common grades offer tensile strengths of 20–40 MPa and elongation at break ranging from 10% to 500%. UV-stabilized variants maintain mechanical properties after prolonged outdoor exposure. Thermal properties vary significantly: while standard polypropylene compounds soften around 160°C, high-temperature formulations withstand up to 300°C. Electrical insulation grades demonstrate volume resistivity >10¹⁶ Ω·cm, making them ideal for electronic components. Flame-retardant versions achieve UL94 V-0 ratings with halogen-free chemistries.
Main Applications
In automotive manufacturing, Schulman compounds are used for interior trims (dashboard components), under-hood parts (coolant reservoirs), and exterior accessories (wheel arch liners). Their low-weight formulations contribute to vehicle fuel efficiency without compromising impact resistance. The packaging industry utilizes clear and pigmented grades for rigid containers, stretch films, and caps/closures. Medical-grade compounds meet USP Class VI standards for non-implantable devices. Recent developments include conductive plastics for EMI shielding in 5G equipment housings and sustainable formulations with post-consumer recycled content.
Safety and Storage
Most Schulman plastic compounds are classified as non-hazardous under OSHA standards, though dust generated during processing may irritate respiratory systems. Material Safety Data Sheets (MSDS) should always be consulted for specific handling protocols. Optimal storage involves sealed moisture-resistant packaging in warehouses with <50% relative humidity. Pellets are prone to static buildup; grounded containers are recommended. Shelf life typically exceeds 12 months when stored properly, though color concentrates may degrade faster due to organic pigments.
B2B Procurement Guide
When procuring Schulman Plastics, buyers should clearly define technical requirements: mechanical property thresholds (e.g., flexural modulus), regulatory compliance needs (REACH, NSF), and processing parameters (injection molding temperature range). Sample batches for trial runs are often available for testing. Bulk purchases (20+ metric tons) typically qualify for 8–15% discounts. Lead times average 4–6 weeks for standard grades but may extend to 10 weeks for custom formulations. Consider partnering with regional distributors for just-in-time deliveries and technical support, especially for small-to-medium order volumes.
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