Wacker Elastosil® LR 6255 F Liquid Silicone Rubber

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Wacker Elastosil® LR 6255 F Liquid Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	Solvent free, free flowing silicone rubber for coating, addition crosslinking. Special features: universal coating material easy processing Application: Manufacture of conveyor belts, electrical sleevings, protective clothing, bellow expansion joints, awnings, sunblinds, sports performance fabrics and medical fabrics. Information provided by Wacker Chemie AG.
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Physical Properties	Original Value	Comments

Density	1.09 g/cc
Viscosity	70000 - 110000 cP	dynamic

Mechanical Properties	Original Value	Comments
Hardness, Shore A	38	DIN 53505
Tensile Strength at Break	5.00 MPa	DIN 53504 S1/ISO 37
Elongation at Break	400 %	DIN 53504 S1/ISO 37
Tear Strength	7.80 kN/m	ASTM 624 B
Compression Set	70 %	DIN 53517

Electrical Properties	Original Value	Comments
Volume Resistivity	3.70e+14 ohm-cm	DIN VDE 0303
Dielectric Constant	3.2 @Frequency 60 Hz	DIN VDE 0303
Dielectric Strength	27.0 kV/mm	DIN VDE 0303
Dissipation Factor	0.00014 @Frequency 60 Hz	DIN VDE 0303

Optical Properties	Original Value	Comments
Transmission, Visible	90 %	"Transparent" but manufacturer does not quantify.

Processing Properties	Original Value	Comments
Cure Time	3.00 min @Treatment Temp. 150 °C
Pot Life	10080 min

Component Elements Properties	Original Value	Comments
Loss on Ignition(%)	26 %	ASTM D2863-70

Descriptive Properties
Appearance	transparent

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PWACK9169 / 204698

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