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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® PET-P is an unreinforced, semi-crystalline thermoplastic polyester characterized as having the best dimensional stability coupled with excellent wear resistance, a low coefficient of friction, high strength, low water absorption, and resistance to moderately acidic solutions. Its properties make it a good choice for tight tolerance machining, especially the manufacture of precision mechanical parts which require sustaining high loads and enduring wear conditions.

Also Consider Ertalyte TX , an internally lubricated version of PET-P, which provides enhanced wear and inertness over general purpose nylons or acetals.

Brand Names

  • Ertalyte® TX
  • Sustadur® PET
  • TECADUR™ PET
  • Unitep® PET
  • Zellamid ZL 1400
  • Centrolyte
  • Ensitep®
  • Impet®
  • Nuplas
  • Petlon®

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 by filling out the form below.

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At a Glance

Generic Name
PolyEthyleneTerephthalate Polyester, Unfilled

Available In
Sheet, Rod

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Gallery

Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

TypeSizeLengthColor
Sheet 0.25″ – 2.5″ TH Up to 24″ x 48″; CTS Natural (White), Black
Rod 0.25″ – 6″ DIA Std. foot lengths; CTS Natural (White), Black

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

Properties

Physical PropertiesUnitsASTMResults
Density lb/in³ D792 0.051
Water Absorption, 24 hrs % D570 0.07
Mechanical PropertiesUnitsASTMResults
Tensile Strength @yield psi D638 12400
Tensile Modulus psi D638 460000
Tensile Elongation @Break % D638 20
Flexural Strength psi D790 18,000
Flexural Modulus psi 400000 490,000
Compressive Strength psi D695 15,000
Compressive Modulus psi D695 420,000
Hardness, Rockwell R D785 R125/M93
IZOD Impact Strength Notched ft-lb/in D256 0.5
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10⁻⁵ in./in./°F) D256 3.3
Heat Deflection Temp at 264 psi °F 240
Melting Temperature °F D3418 491
Max Operating Temp °F 210
Thermal Conductivity BTU-in/ft²-hr-°F C177 3
Flammability Rating UL94 HB
Electrical PropertiesUnitsASTMResults
Dielectric Strength V/mil D149 385
Dissipation Factor @ 60 Hz D150 3.4
Volume Resistivity, 50% RH ohm-cm D257 >10¹³

NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.

Applications

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

Advantages

  • 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

Grades

  • Unfilled
  • Lubricant filled
  • Glass filled

NOTE: Several grades of this material are available. For additional information regarding this plastic, contact your Emco Industrial Plastics representative or call 973-862-4148.

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