Wacker Semicosil® 960 CLEAR Conformal Coating

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Wacker Semicosil® 960 CLEAR Conformal Coating
Categories:	Polymer; Thermoset; Silicone
Material Notes:	SEMICOSIL® 960 CLEAR is a RTV-1 amine cure silicone rubber dispersion that cures on contact with moisture in the air. Special features: Rapid cure Excellent electrical properties Excellent adhesion to many substrates Available in clear or red Application: SEMICOSIL® 960 CLEAR is a conformal coating that forms a tough, rubbery film designed to protect electronic circuits from environmental influences. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	0.930 g/cc	0.0336 lb/in³
Solids Content	65 %	65 %
Brookfield Viscosity	4000 cP	4000 cP

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	25	25	ASTM D2240
Tensile Strength at Break	1.72 MPa	249 psi	ASTM D412
Elongation at Break	300 %	300 %	ASTM D412

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm	IEC 60093
Dielectric Constant	2.7 @Frequency 1000 Hz	2.7 @Frequency 1000 Hz	IEC 60250
Dielectric Strength	18.0 kV/mm	457 kV/in	IEC 60243
Dissipation Factor	0.00030 @Frequency 1000 Hz	0.00030 @Frequency 1000 Hz	IEC 60250

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.180 W/m-K	1.25 BTU-in/hr-ft²-°F
Brittleness Temperature	-45.0 °C	-49.0 °F	ASTM D746
Flash Point	21.0 °C	69.8 °F	ASTM D93

Optical Properties	Metric	English	Comments
Transmission, Visible	90 %	90 %	"Clear" but manufacturer does not quantify.

Processing Properties	Metric	English	Comments
Cure Time	10100 min @Treatment Temp. 25.0 °C	168 hour @Treatment Temp. 77.0 °F	50% RH

Descriptive Properties
Appearance	Clear liquid

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