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Polyethylene terephthalate (PET), more commonly known as Polyester, is a durable, tough thermoplastic with good chemical, high energy radiation, weather, wear and abrasion resistance.

PET-P material under the tradename of Ertalyte® is produced by proprietary resin grades made by Quadrant. Ertalyte® TX, an internally lubricated version of PET-P, provides a lower wear rate and coefficient of friction than unmodified PET or PBT, and enhanced wear and inertness over general purpose nylons (PA) or acetals (POM), Ertalyte® TX is an excellent replacement choice for internally lubricated materials such as Delrin® AF.

The combination of PET properties and internal lubrication make it ideal for machining high-wear-resistant parts that require no startup or running lubrication. Ertalyte® TX’s excellent performance in both high-pressure and high-velocity conditions makes it completely suitable for applications involving soft metal and plastic mating surfaces.

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative at 973-975-0844.

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At a Glance

Generic Name
PolyEthyleneTerephthalate Polyester

Available In
Sheet, Rod, Stock Shapes

FDA Compliant

Ertalyte®, TX Lubricomp®, Sustadur®, PET TECADUR™, PET Zellamid ZL 1400T, Arnite, Lubricomp®

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Technical Information

Stock Products Applications Advantages Grades

Stock Products

Sheet 0.75″ – 1″ TH Up to 24″ x 48″; CTS Natural
Rod 0.75″ – 2″ DIA Std. foot lengths; CTS Natural

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.


  • Bearings, bushings
  • Valve components, fiiller pistons
  • Manifolds
  • Wheels, rollers
  • Wear oads
  • Electrical components


  • Good for both wet and dry environments
  • High strength and rigidity
  • Excellent stain resistance
  • Good wear resistance
  • Excellent dimensional stability
  • Better acid resistance than nylon or acetal


  • Unfilled
  • Lubricant filled
  • Glass filled
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