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TECAPEEK HT ™ High Temperature
PEK (PolyEtherKetone) Specifications

904 West 6th Street, Shiner, Texas 77984 USA
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail:


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click to resize photo TECAPEEK ® HT PEK is a new unique high performance material developed for applications that demand superior high temperature resistance. With a glass transition temperature of 306°F (152°C) and a melting temperature of 705°F (374°C), PEEK HT ™ delivers extended high temperature performance while offering all the key characteristics of natural PEEK ™ PolyEtherEther-Ketone polymer, including toughness, strength, and chemical resistance.

Across a wide range of demanding industrial, automotive and aerospace applications, TECAPEEK HT ™ polymer offers manufacturers a premium material which is a more cost-effective, lightweight alternative to metals. From engine compartment applications to sub-sea connectors and heat exchanger parts, this advanced engineering material provides unlimited design freedom, high precision reproducibility and long-term product reliability.

TECAPEEK HT ™ is available in pre-molded sheet, solid round rod and thick-walled cylindrical tube shapes and is  black  in color.

•  high thermal and mechanical performance
  -  retention of mechanical and physical properties to temperatures 54°F (30°C) higher than standard PEEK
  -  up to 3 times the wear resistance of standard PEEK at high temperatures
  -  long-term creep and fatigue resistance over a wide temperature range
  -  substantially higher tensile strength and flexural modulus at 482°F (250°C)
•  good radiation resistance
•  exceptional resistance to chemicals, solvents, fuels
•  inherent low flammability, low smoke emission
•  good electrical properties
( see also Standard TECAPEEK grades, TECAPEEK ST, and other TECAPEEK Family products )

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ASTM or UL test Property TECAPEEK HT ™
D792 Density (lb/in³)
D570 Water Absorption, 24 hrs (%) -
D638 Tensile Strength at Yield (psi) 16,000
D638 Tensile Modulus (psi) 570,000
D638 Tensile Elongation at Break (%) 20
D790 Flexural Strength (psi) -
D790 Flexural Modulus (psi) 27,000
D695 Compressive Strength (psi) 20,000
D695 Compressive Modulus (psi) -
D785 Hardness, Rockwell -
D256 IZOD Impact Notched (ft-lb/in) 2.9
D696 Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F)
D648 Heat Deflection Temp (°F / °C)
at 264 psi

329 / 165
D3418 Glass Transition Temp (°F / °C) 315 / 157
D3418 Melting Temp (°F / °C) 705 / 374
- Max Operating Temp (°F / °C) 500 / 260
C177 Thermal Conductivity
(x 10-4 cal/cm-sec-°C)

UL94 Flammability Rating V-0
D149 Dielectric Strength (V/mil) short time, 1/8" thick 430
D150 Dielectric Constant at 1 MHz -
D150 Dissipation Factor at 1 MHz -
D257 Surface Resistivity (ohms per square) at 50% RH 5 x 1016
D257 Volume Resistivity (ohm-cm) at 50% RH 5 x 1016

NOTE: The information contained herein 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.
PEEK HT is a trademark of Victrex USA, Inc.
TECAPEEK is a registered trademark of Ensinger Industries, Inc.

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Boedeker Plastics, Inc.
904 West 6th Street, Shiner, Texas 77984 USA
USA TOLLFREE : 1-800-444-3485
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail:

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