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Ertalyte® is an unreinforced, semi-crystalline, thermoplastic polyester based on polyethylene teraphalate (PET-P). It has a continuous service temperature of 210°F (100°C) and its melting point is almost 150°F higher than acetals. It offers dimensional stability with excellent wear resistance, low coefficient of friction, high strength, and resistance to moderate acid solutions. The properties of Ertalyte® make it extremely suitable for the manufacture of precision mechanical parts, which are capable of sustaining high loads and enduring wear conditions. Ertalyte® is FDA compliant in both natural and black colors. Natural Ertalyte is also USDA, 3A-Dairy and Canada AG compliant. It is an excellent candidate for parts used in the food processing and equipment industries. Ertalyte® TX is an internally lubricated version of PET-P, providing enhanced wear and inertness over general purpose Nylons® or acetals. Containing uniformly dispersed solid lubricant, Ertalyte® TX provides a lower wear rate and coefficient of friction than unmodified PET or PBT and even internally lubricated materials such as Delrin® AF. Ertalyte® TX is light gray in color. Read more about the uses and benefits of Ertalyte material below. Request a quote for our custom Ertalyte plastic machining services today.

Ertalyte Material Highlights:

  • Good for both wet and dry environments
  • Low coefficient of friction
  • High strength and rigidity
  • Excellent stain resistance
  • Good wear resistance
  • Excellent dimensional stability
  • Better acid resistance than Nylon® or acetal

Manufacturing Capabilities: Because it is more rigid and offers greater thermal performance than Nylon® and acetal, Ertalyte® material machines differently.


  • Food processing equipment components
  • Process and test equipment manifolds
  • Carousels
  • Filter tracks
  • Rings, disks, rollers
  • Fuel pump components
  • Fuel system connectors and rotors
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