Wacker Wacker® Primer G794 A/B

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Wacker Wacker® Primer G794 A/B
Categories:	Fluid
Material Notes:	WACKER® PRIMER G 791 A/B is a two-component, addition-curing primering system diluted in an organic solvent. The primer is applied to the substrate and after curing forms a primer film which firmly adheres to the substrate. Application of a silicone rubber onto the primed substrate and subsequent vulcanization will then result in a tight bond between the silicone rubber and the substrate. Application: Bonding agent preferably used for bonding addition curing silicone rubbers onto vulcanized, addition-curing rubbers (e.g. WACKER® ELASTOSIL® RTV-2, LSR and R plus or WACKER® POWERSIL® RTV-2 and LSR). WACKER® PRIMER G 791 A/B is especially suited for bonding addition-curing POWERSIL® XLR® 630/640 onto vulcanized silicone rubber of the same grade. Information provided by Wacker Chemie AG.
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Physical Properties	Original Value	Comments

Density	0.730 g/cc @Pressure 0.1013 MPa	DIN 51757
	0.770 g/cc @Pressure 0.1013 MPa	DIN 51757
Brookfield Viscosity	85 cP
	4000 cP

Thermal Properties	Original Value	Comments
Flash Point	-4.00 °C	Component A; ISO 13736
	3.00 °C	Component B; ISO 13736
Ignition Temperature	378 °C	EN 14522, Component B
	391 °C	EN 14522, Component A

Descriptive Properties
Active ingredients (%)	20
Color	clear, yellowish	Component B
	opaque to whitish	Component A

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PWACK9798 / 205327

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