Thermoplastic elastomer made from polytetramethylene ether glycol and polybutylene terephthalate by block copolymerization. By varying block size and polyester composition, a wide range of hardnesses can be made. It is used in moulded products for its high abrasion resistance eg skimobile caterpillar tracks. Not to be confused with acrylic rubbers,
What is POLYESTER RUBBER?
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