Overview
Industrial caster special material is a engineered polymer blend formulated to meet the rigorous demands of caster wheels in industrial settings. Unlike standard plastics, it combines high molecular weight polymers with additives like reinforcing fibers, lubricants, and stabilizers to enhance durability and performance. Developed for heavy-load applications, it is a preferred choice for manufacturers of logistics and material handling equipment. This material is tailored to withstand constant abrasion, impacts, and exposure to chemicals or extreme temperatures. Its formulation varies by supplier but typically includes polyamide (PA), polyurethane (PU), or other thermoplastics with modifiers to optimize properties like noise reduction and rolling efficiency.
Physical and Chemical Properties
The material exhibits a balanced profile of mechanical toughness and chemical inertness. Its density ranges between 1.1–1.3 g/cm³, ensuring lightweight yet robust casters. The melting point varies by composition but generally falls within 150–220°C, suitable for most industrial environments. Key attributes include a low coefficient of friction (0.2–0.4) and Shore hardness of 70D–90D for optimal load distribution. Chemically, it resists hydrolysis, oils, and dilute acids, making it suitable for warehouses or factories with spill risks. UV stabilizers are often added for outdoor use. Note that prolonged exposure to strong solvents or temperatures above 120°C may degrade performance.
Main Applications
Primarily used in heavy-duty caster wheels for industrial trolleys, pallet jacks, and assembly line conveyors, this material ensures longevity under loads exceeding 500 kg per wheel. It is also adopted in aerospace ground support equipment and medical carts where noise reduction and floor protection are critical. Specialized variants include anti-static formulations for electronics manufacturing and FDA-approved grades for food handling. The material’s adaptability allows customization for niche applications, such as high-temperature foundries or cleanrooms.
Safety and Storage
While non-toxic in solid form, processing (e.g., injection molding) may release volatile organic compounds (VOCs). Adequate ventilation and PPE (gloves, masks) are recommended during handling. Storage requires protection from moisture to prevent hydrolysis in polyamide-based blends. Suppliers typically pack the material in 25-kg moisture-proof bags. Shelf life is approximately 12 months under standard conditions (20°C, <50% humidity). Avoid stacking pallets above recommended heights to prevent pellet deformation.
B2B Procurement Guide
Buyers should prioritize suppliers with ISO certification and batch consistency guarantees. Key evaluation criteria include load capacity certification (e.g., DIN EN 12532), abrasion test data (e.g., Taber test results), and lead times for custom formulations. Bulk orders (5+ tons) often attract 10–15% discounts. Sample testing is advised to verify properties like rolling resistance and noise levels. For export, confirm compliance with regional regulations (e.g., REACH in the EU). Negotiate MOQs and payment terms upfront, as prices fluctuate with raw material costs.
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