Thermoplastic Elastomers (TPEs)

JSR RB (Syndiotactic 1,2-polybutadiene)


JSR RB is the original thermoplastic elastomer of JSR corporation.
It possesses more than 90% of 1,2-bond and that has an average molecular weight of around 120,000 and a crystallinity of 15-35%.


  • Shoe sole
  • Tube, Film, Melt bags
  • Rubber modifiers
  • Sponge products

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