Wacker Elastosil® LR 6285 A/B Liquid Silicone Rubber

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Wacker Elastosil® LR 6285 A/B Liquid Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	ELASTOSIL® LR 6285 A/B Liquid Silicone Rubber is a commercial grade, two-component system cures rapidly upon heating to a silicone rubber. It has been formulated primarily for preparation of electrically insulating tape and sleeving. Special features: Electrically insulating at low film thickness Readily flowable Long pot life Good resistance to weathering and heat Application: Wetted equipment surfaces should be thoroughly cleaned to minimize contamination. Curing is initiated by mixing at 10:1 ratio by weight of ELASTOSIL® LR 6285 A/B part A and part B. ELASTOSIL® LR 6285 A/B is not easily deaired and should be mixed in an airless mixing system. Parts A and B containers should be used on meter-mix equipment with static, airless mixers. Information provided by Wacker Chemie AG.
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Physical Properties	Original Value	Comments

Density	1.00 g/cc	Component B; ASTM D412
	1.22 g/cc	Component A; ASTM D412
Viscosity	300 cP	Component B; ASTM D412
	20000 cP	Component A; ASTM D412

Mechanical Properties	Original Value	Comments
Hardness, Shore A	20 - 30	cured; ASTM D2240
Tensile Strength at Break	1.38 MPa	cured; ASTM D412
Elongation at Break	200 %	cured; ASTM D412

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 ohm-cm	ASTM D257
Dielectric Constant	2.8 @Frequency 10000 Hz	ASTM D150
Dielectric Strength	17.7 kV/mm	ASTM D149
Dissipation Factor	0.010 @Frequency 10000 Hz	ASTM D150

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	175 °C	Continuous
	225 °C	Intermittent
Minimum Service Temperature, Air	-60.0 °C	Intermittent
	-40.0 °C	Continuous

Optical Properties	Original Value	Comments
Transmission, Visible	90 %	Component B 'Clear' but manufacturer does not quantify.

Processing Properties	Original Value	Comments
Cure Time	0.167 - 0.333 min @Treatment Temp. 200 °C
Pot Life	2880 min

Descriptive Properties
Appearance	clear	Component B
	Off-white	Component A

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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PWACK9171 / 204700

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