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Ertalyte® PET-P is produced by proprietary resin grades only by Quadrant. Its properties make it especially suitable for the manufacture of precision mechanical parts which are capable of sustaining high loads and enduring wear conditions.

Containing a uniformly dispersed solid lubricant (PTFE) filler, Ertalyt® TX provides a lower wear rate and coefficient of friction than unmodified PET or PBT and even internally lubricated materials such as Delrin® AF, as well as enhanced wear and inertness over general purpose nylon (PA) and acetal(POM) products.

Key properties of Ertalyte® TX are its high strength and stiffness, very good dimensional stability, high creep resistance, and very good chemical resistance. Excellent performance in both high-pressure and high-velocity conditions makes Ertalyt® TX an ideal material for machining bushings and bearings that require no startup or running lubrication. Applications involving soft metal and plastic mating surfaces also benefit from this combination of properties.

Ertalyte® TX has FDA and USDA compliance.

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At a Glance

Generic Name
Polyethylterephthalate

Available In
Sheet, Rod

Certifications
FDA compliant

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

TypeSizeLengthColor
Sheet 3/4″ – 1″ TH 24″ x 24″, 48″; CTS Light Grey
Rod 3/8″ – 3″ DIA 4’, 5’, 8’ foot lengths; CTS Light Grey

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 0.052
Water Absorption, 24 hrs % D570 0.06
Mechanical PropertiesUnitsASTMResults
Tensile Strength psi D638 11000
Tensile Modulus psi D638 50000
Tensile Elongation @Break % D638 5
Flexural Strength psi D790 16000
Flexural Modulus psi 400000 460000
Compressive Strength psi D695 15250
Compressive Modulus psi D695 400000
Hardness, Rockwell R D785 M94
IZOD Impact Strength Notched ft-lb/in D256 0.4
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) D256 4.5
Heat Deflection Temp at 264 psi °F 180
Melting Temperature °F D3418 491
Max Operating Temp °F 210
Thermal Conductivity BTU-in/ft2-hr-°F C177 1.9
Flammability Rating UL94 HB
Electrical PropertiesUnitsASTMResults
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

  • Gears, bearings, washers
  • Pump components
  • Sldieways
  • Manifolds
  • Electrical components
  • Food packaging and processing equipment parts

Advantages

  • High mechanical strength, stiffness, and hardness
  • Excellent wear resistance
  • Excellent dimensional stability
  • Suitable for both wet and dry environments
  • Better resistance to acids than nylon and acetal
  • Low moisture absorption
  • Stain resistant
  • High strength and rigidity – ideal for close tolerance parts

Grades

  • Unfilled
  • PTFE filled
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