Plastic & Thermoplastic Molding

Thermoplastic rubbers exhibit strong physical properties in a flash-free process that allows for waste recycling.

Ottawa Rubber’s thermoplastic rubber injection molding is automated with both horizontal and vertical molding machines. Standard setups and in-process controls maximize operation time and minimize waste. Automated inspection is utilized to ensure product consistency and quality.

Injection over-molding of inserts is performed. Shuttling molds maximizes press time.


  • Injection Molding
  • Injection Over-Molding
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Plastic & Thermoplastic Molding


  • Elastomers (TPE)
  • Vulcanizate (TPV) – Santoprene
  • Olefin (TPO) – JSR Excelink
  • Urethane (TPU)
  • Polyamide (PA) – Nylon
  • Glass Filled Nylon (PA GF)
  • Polyoxymethylene Acetal (POM)
  • Polypropylene (PP)
  • Glass Filled Polypropylene (PP GF)
  • High Density Polyethylene (HDPE)
  • Low Density Polyethylene (LDPE)


  • Mounts
  • Pads
  • Seals
  • Boots
  • Gaskets
  • Isolators
  • Grommets