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Innovation Bulletin

PTT (Polytrimethylene Terephthalate) Compounds

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  • Similar to PBT and PET in physical properties and processing characteristics
  • More cost effective than PBT or PET
  • Alloyable with other resins, such as polycarbonate

RTP Company is leading the way in compounding Polytrimethylene Terephthalate (PTT) for engineered thermoplastic applications. Currently, PTT such as Shell Chemicals' Corterra™ is used in the fiber (clothing and carpet) and film industries. The new RTP 4700 Series PTT Compounds balance the physical properties of PET with the processing characteristics of PBT.

These compounds can incorporate wear additives, flame retardants, conductives, glass or carbon fibers, and/or colors. Key markets include existing PBT (or PET) resin and alloy applications where aesthetics, cost, and/or performance are insufficient.

Innovation Bulletin Download

A version of the PTT Compounds innovation bulletin suitable for printing or saving is available as a PDF (Portable Document Format) file. PDF files require the Adobe Reader software for viewing.