Wacker Semicosil® 912 Silicone Gel

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Wacker Semicosil® 912 Silicone Gel
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	SEMICOSIL® 912 is a pourable, addition-curing, 2-part silicone rubber that cures to a soft silicone gel when mixed with ELASTOSIL® CAT PT, ELASTOSIL® CAT PT-F or ELASTOSIL® CAT UV.Special features: two-part, 10 : 1 mixing ratio low viscosity modular system allows flexible adjustment of pot life and curing time by selection among different catalysts (no lot binding between base and catalyst) fast curing at room temperature with Catalyst PT-F long pot life at room temperature with Catalyst PT extremely fast curing with Catalyst UV low hardness excellent tackiness Application: Encapsulation of electronic components for the automotive and power electronics industries. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	0.970 g/cc	0.0350 lb/in³	Liquid
	0.970 g/cc	0.0350 lb/in³	cured 30min at 150°C; ISO 2781
Viscosity	1000 cP	1000 cP	dynamic; DIN EN ISO 3219
	1000 cP	1000 cP	Mix; ISO 3219

Optical Properties	Metric	English	Comments
Transmission, Visible	90 %	90 %	cured 30min at 150°C. "Transparent" but manufacturer does not quantify.
	90 %	90 %	Transparent but manufacturer does not quantify.

Processing Properties	Metric	English	Comments
Pot Life	5.00 min	5.00 min	ELASTOSIL® CAT PT-F
	120 min	120 min	ELASTOSIL® CAT PT
	>= 4320 min	>= 4320 min	ELASTOSIL® CAT UV
Gel Time	15.0 min	15.0 min	ELASTOSIL® CAT PT-F
	240 min	240 min	ELASTOSIL® CAT PT

Descriptive Properties
Color	clear		cured 30min at 150°C
	clear		liquid

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PWACK9414 / 204943

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