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DSM in Medical

PurSil® Thermoplastic Silicone-Polyether-urethane (TSPU)

PurSil® TSPU is a strong yet flexible copolymer with proven biocompatibility and biostability. Combining the benefits of both silicone elastomers and polyether urethanes, PurSil® TSPU has strong in vitro and in vivo stability.

PurSil TSPU pellets, film, disk and tubing


  • Biostability and biocompatibility
  • Adaptable to many different processing techniques
  • Excellent mechanical properties relative to conventional silicone elastomers
  • Thromboresistant
  • Customizable with SME® technology utilizing various surface modifying end groups
  • FDA Master File


  • Cardiac rhythm management
  • Continuous glucose monitoring
  • Spinal implants


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