Wefapress POM-C

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Wefapress POM-C
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Withstands temperatures of >100°C for long periods of time, FDA-approved, Good sliding properties, High wear resistance, Zero moisture absorption, Conforms to EU 10/2011 (FSP variant), Excellent dimensional stability. Applications: Components for the food industry, Components for pharmaceutical industry, Sliding profiles, slide bearings, slide rails, Transport augers and conveyor screws, Gear wheels. Industries: Conveyor systems and automation, Drinks and bottling industries, Mechanical and plant engineering, Food industry. Information provided by Wefapress.
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Physical Properties	Original Value	Comments

Density	1.42 g/cc	DIN 53479
Moisture Absorption	<= 0.170 %

Mechanical Properties	Original Value	Comments
Hardness, Shore D	85 @Time 15.0 sec	DIN 53505
Ball Indentation Hardness	150 MPa @Time 30.0 sec	DIN ISO 2039 Teil 1
Tensile Strength	65.0 MPa	DIN 53455
Tensile Strength, Ultimate	70.0 MPa	DIN 53455
Elongation at Break	>= 30 %	DIN ISO / R 527
Modulus of Elasticity	3.20 GPa	DIN 53457
1% Secant Modulus	1.00 MPa	EU 1935/2004 - EU 10/2011 (FSP Quality)
Charpy Impact, Notched	>= 10.0 kJ/m²	DIN 53457
Coefficient of Friction	0.32

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm	IEC 60093
Surface Resistance	1.00e+13 ohm	IEC 60093
Dielectric Strength	49.0 kV/mm	IEC 60243

Thermal Properties	Original Value	Comments
CTE, linear	100 µm/m-°C	DIN ISO 11359
Specific Heat Capacity	1.46 J/g-°C
Thermal Conductivity	0.310 W/m-K
Melting Point	175 °C	DTA
Maximum Service Temperature, Air	47.0 °C	Dimensional Stability; DIN 53461
	100 °C	Continuous Application Temp.
Vicat Softening Point	79.0 °C	DIN 53460
Minimum Service Temperature, Air	-50.0 °C
Flammability, UL94	HB

Compliance Properties	Original Value	Comments
FDA	Yes

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PWEFA936 / 243141

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