Wefapress FlexGuard Rubber Graphite

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Wefapress FlexGuard Rubber Graphite
Categories:	Polymer
Material Notes:	Withstands temperatures of >100°C for long periods of time, High chemical resistance, High wear resistance, Zero moisture absorption, Low friction coefficient. Applications: Seals, Components for the forming section of paper machines. Industries: Mechanical and plant engineering,, Paper industry. Information provided by Wefapress.
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Physical Properties	Original Value	Comments

Density	1.60 g/cc	DIN 53479
Moisture Absorption	<= 0.0100 %

Mechanical Properties	Original Value	Comments
Hardness, Shore D	80 @Time 15.0 sec	DIN 53505
Ball Indentation Hardness	>= 57.0 MPa @Time 30.0 sec	DIN ISO 2039 Teil 1
Modulus of Elasticity	>= 1.30 GPa	DIN 53457
Charpy Impact, Notched	>= 20.0 kJ/m²	DIN 53457
Coefficient of Friction	0.12
Sand Slurry	85	% Abrasion

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+7 ohm-cm	IEC 60093
Surface Resistance	1.00e+7 ohm	IEC 60093

Thermal Properties	Original Value	Comments
CTE, linear	>= 15.0 µm/m-°C	DIN 53752
Flammability, UL94	HB

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