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This linear aromatic polymer is semi-crystalline and is widely regarded as the highest performance thermoplastic material currently available. A summary of key physical properties is as follows:
 High Temperature Performance
PEEK polymer and compounds typically have a glass transition temperature of 289°F (143°C) and a melting temperature of 649°F (343°C). Independent tests have shown that PEEK polymer exhibits a heat distortion temperature up to 599°F (315°C) (ISO R75, glass fiber filled) and a Continuous Use Temperature of 500°F (260°C) (UL 746B).
Wear Resistance
PEEK polymer has excellent friction and wear properties which are optimized in the specially formulated tribological grades 450FC30 and 150FC30. These materials exhibit outstanding wear resistance over wide ranges of pressure, velocity, temperature and counterfacial roughness.
Chemical Resistance
PEEK polymer has excellent resistance to a wide range of chemical environments, even at elevated temperatures. The only common environment which dissolves PEEK polymer is concentrated sulphuric acid.
Fire, Smoke and
Toxicity
PEEK polymer is highly stable and requires no flame retardant additives to achieve a V-0 rating at 0.057 inch thickness. The composition and inherent purity of the material results in extremely low smoke and toxic gas emission in fire situations.
Hydrolysis Resistance
PEEK polymer and compounds are not chemically attacked by water or pressurized steam. Components which are constructed from these materials retain a high level of mechanical properties when continuously conditioned in water at elevated temperatures and pressures.
Electrical Properties
The electrical properties of PEEK polymer are maintained over a wide frequency and temperature range.
Purity
PEEK polymer materials are inherently pure with exceptionally low levels of ionic extractables and excellent outgassing characteristics
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"Offering custom TeflonŽ tubing and TeflonŽ heat shrinkable tubing as well as tubing and heat shrink made from fluoropolymer resins such as PTFE, FEP, PFA, ETFE, PEEK, and more."
TeflonŽ is a registered trademark of
DuPont
PEEK is a trademark of
Victrex PLC
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