Overview
High Elasticity Polyurethane Plastic is a synthetic polymer renowned for its rubber-like elasticity and mechanical strength. It is a subset of polyurethane (PU) materials, tailored to exhibit superior flexibility and resilience. The material is engineered through the reaction of diisocyanates with polyols, resulting in a versatile elastomer. Its unique molecular structure allows it to withstand repeated stretching and compression without permanent deformation. This makes it ideal for dynamic applications where durability and performance under stress are critical. Industries ranging from automotive to healthcare rely on its customizable properties.
Physical and Chemical Properties
High Elasticity Polyurethane Plastic is characterized by its high tensile strength, often exceeding 30 MPa, and elongation at break rates of up to 600%. These properties are achieved through carefully balanced hard and soft segments in its polymer chain. The material also exhibits excellent resistance to oils, greases, and many solvents, making it suitable for harsh environments. Its thermal stability typically ranges from -40°C to 80°C, though specialized formulations can extend this range. UV resistance varies by formulation but can be enhanced with additives.
Main Applications
In the automotive industry, this material is used for bushings, gaskets, and suspension components due to its vibration-damping properties. Footwear manufacturers value it for midsole applications where energy return and comfort are paramount. The medical sector employs it in prosthetic liners and orthopedic devices for its biocompatibility and soft-touch feel. Industrial applications include conveyor belts, rollers, and seals, where its abrasion resistance extends equipment lifespan.
Safety and Storage
While solid polyurethane is generally safe to handle, precautions should be taken during processing. Heating the material above 200°C may release isocyanate vapors, requiring proper ventilation and PPE. Storage should maintain temperatures below 30°C with relative humidity under 65% to prevent moisture absorption, which can affect processing. Bulk material should be kept in original packaging until use to minimize exposure to atmospheric moisture.
B2B Procurement Guide
When sourcing High Elasticity Polyurethane Plastic, clearly define your performance requirements. Key specifications include Shore hardness (typically A70-A95 for flexible applications), tear strength (minimum 50 kN/m for demanding uses), and compression set (under 20% for long-term elasticity retention). Consider working with suppliers who provide material certifications (e.g., ISO 10993 for medical grades) and can offer technical support for formulation adjustments. MOQs often start at 500 kg for standard grades, with lead times of 2-4 weeks for custom formulations.
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