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Hytrel
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Hytrel

chemical compound
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Quick Summary

Hytrel is a trademarked copolyester elastomer, a synthetic rubber made of hard polyester crystallites within a flexible matrix. This dual composition gives it the elasticity of rubber and the moldability of plastic. Hytrel is known for its resistance to heat, chemicals, and oil, making it suitable for automotive parts and solid tires. It is a block copolymer, typically featuring polybutylene terephthalate (PBT) as the hard sequence and a polyester or polyether as the soft sequence. Unlike traditional vulcanized rubbers, Hytrel can be melted and reprocessed, making it recyclable.1

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2 Britannica Sources
  1. copolyester elastomer
  2. fluoroelastomer

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