Injection Molding Resin: TPR

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TPR, or thermoplastic rubber—also known as TPE (thermoplastic elastomer)—is a class of copolymer materials or a physical mix of materials, such as a plastic and a rubber. TPR materials exhibit certain physical characteristics of both rubbers and plastics, as well as both thermoplastic and elastomeric properties. TPRs are well suited to processing via injection molding.

Properties of Thermoplastic Rubbers

  • High flexural fatigue resistance
  • Good tear and abrasion resistance
  • Good dielectric properties
  • Outstanding resistance to weathering and chemicals
  • High impact strength
  • Elasticity similar to cross-linked rubber materials
  • Available in a wide range of durometers, from 20 Shore OO to 85 Shore D
  • Broad temperature range: -30°C to 140°C (-22°F to 284°F)
  • Combine the look, feel, and elasticity of thermoset rubber with the processability of plastic
  • Recyclable

Which TPR Injection Molding Resin is Right for Your Application?

At Stack Plastics, we have over 20 years of experience in injection molding with thermoplastic rubber materials. We have produced a wide range of parts and components from TPRs, and our expert team can help you determine what type of TPR, if any, is right for your project.

Contact Stack Plastics

For more information on thermoplastic rubbers, or to get started on your injection molding project, contact Stack Plastics today.