Wefapress PEEK mod.

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Wefapress PEEK mod.
Categories:	Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK)
Material Notes:	PEEK mod. is a semi-crystalline thermoplastic with selectively improved sliding properties achieved by the addition of solid lubricants. The optimal proportion of mechanical characteristics distinguish this material as an engineering plastic. Thanks to its good resistance to various fluids, the material is physiologically harmless. PEEK mod. produces the least smoke of any thermoplastic. Properties: Withstands temperatures of >100°C for long periods of time, Good sliding properties, High chemical resistance, Excellent dimensional stability. Applications: Components for the chemical industry, Seals, Machine parts with a narrow tolerance range, Sliding profiles, slide bearings, slide rails, Gear wheels. Industries: Chemical industry, Mechanical and plant engineering. Information provided by Wefapress.
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Physical Properties	Original Value	Comments

Density	1.44 g/cc	DIN 53479
Moisture Absorption	<= 0.140 %

Mechanical Properties	Original Value	Comments
Hardness, Shore D	85 @Time 15.0 sec	DIN 53505
Ball Indentation Hardness	220 MPa @Time 30.0 sec	DIN ISO 2039 Teil 1
Tensile Strength	84.0 MPa	DIN 53455
Tensile Strength, Ultimate	84.0 MPa	DIN 53455
Elongation at Break	3.0 %	DIN ISO / R 527
Modulus of Elasticity	5.50 GPa	DIN 53457
Charpy Impact, Notched	28.0 kJ/m²	DIN 53457
Coefficient of Friction	0.30

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+7 ohm-cm	IEC 60093
Surface Resistance	1.00e+7 ohm	IEC 60093
Dielectric Strength	26.0 kV/mm	IEC 60243

Thermal Properties	Original Value	Comments
CTE, linear	35.0 µm/m-°C	DIN ISO 11359
Specific Heat Capacity	1.10 J/g-°C
Thermal Conductivity	0.820 W/m-K
Maximum Service Temperature, Air	152 °C	Dimensional Stability; DIN 53461
	250 °C	Continuous Application Temp.
Vicat Softening Point	146 °C	DIN 53460
Minimum Service Temperature, Air	-20.0 °C
Flammability, UL94	V-0

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PWEFA946 / 243151

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