Wacker Elastosil® R 6225 Silicone Rubber

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Wacker Elastosil® R 6225 Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Low viscosity, heat curing silicon rubber composition for coating applications. It is supplied without crosslinker and catalyst to open wide process flexibility by customized adjustment of catalyst and crosslinker quantities. It can be cured at high temperatures within short time. Application: ELASTOSIL® R 6225 TRANSPARENT may be used for applications which require high or low temperatures resistant, flexible coating. A typical application in the automotive industry is the final coating ("top coat") of fiber cylinder head gaskets. Information provided by Wacker Chemie AG.
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Physical Properties	Original Value	Comments

Density	1.00 g/cc	DIN 51757
Brookfield Viscosity	2500 cP	dynamic, after mixing
	3000 cP	dynamic

Mechanical Properties	Original Value	Comments
Hardness, Shore A	45	cured; DIN 53505
Tensile Strength at Break	5.00 MPa	cured; DIN 53504
Elongation at Break	125 %	cured; DIN 53504

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

Processing Properties	Original Value	Comments
Cure Time	3.00 - 5.00 min @Treatment Temp. 180 °C
	5.00 - 10.0 min @Treatment Temp. 150 °C
Gel Time	30.0 min @Temperature 100 °C

Descriptive Properties
Appearance	colorless
	transparent

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PWACK9253 / 204782

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