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Plastics & Elastomers
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Technical Datasheet | Supplied by GEHR
GEHR PEEK-mod® is a UV stabilized polyetheretherketone (PEEK) grade by GEHR, reinforced with 10% of PTFE, graphite and carbon fibers. Shows very good friction-, wear- and tear properties. Exhibits very high mechanical strength, limited bondability, rigidity even at low temperature, thermal stability, creep resistance and dimensional stability. Offers very high hydrolysis resistance, low resistance to acetone, low notch impact strength, excellent chemical resistance and dielectric properties. Provides toughness, hardness, flexural strength, torsional strength, very high radiation resistance and high temperature resistance (upto 260°C). GEHR PEEK-mod® is used in bearing shells, piston rings, valve seats, gears, seals, aviation, cog-wheels, pump vanes, fittings, plug connectors for chromatography, wafer carriers and semiconductor industry. Complies with FDA and UL 94 V-0 flame rating.
Product Type
POK (Polyketone) > PEEK
Product Status
Geographical Availability
Asia / Pacific, Central and Eastern Europe, Middle East and Central Asia, North America, Western Europe

GEHR PEEK-mod® Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.45 g/cm3
(Test specimen: 40-60 mm rods)
ISO 1183
Water Absorption
0.3 %
(Test specimen: 40-60 mm rods)
ISO 62
Humidity Absorption
0.04 %
(Test specimen: 40-60 mm rods)
ISO 62
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