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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.

Ertalyte® is semi-crystalline, un-reinforced, thermoplastic polyester based on polyethylterephthalate (PET-P). Ertalyte® is characterized as having high hardness, stiffness, creep and wear resistance, excellent sliding properties in addition to good electrical properties and chemical resistance. Its very low water absorption which hardly influences the mechanical and electrical properties, results, together with a favorable thermal expansion rate, into a very good dimensional stabile material.

Continuous service temperature of Ertalyte® PET-P is 210°F (100°C) and its melting point is almost 150°F higher than acetals. It retains significantly more of its original strength up to 180°F (85°C) than nylon or acetal. Ertalyte® is FDA compliant in natural and black. Natural Ertalyte® is also USDA, 3A-Dairyand Canada AG compliant.

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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 Downloads

Stock Products

TypeSizeLengthColor
Sheet 1/4″ – 4″ TH 12″, 24″, 48″ x 24″, 48″; CTS Natural (White), Black
Rod 1/2″ – 4″ DIA 4’, 5’, 8’ 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 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 2
Flammability Rating UL94 HB
Electrical PropertiesUnitsASTMResults
Dielectric Strength, 1/8″ th. V/mil D149 385
Dielectric Constant @ 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

  • Gears, bearings, washers
  • Pump components
  • Sldieways
  • Manifolds
  • Electrical components

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

Downloads

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