CHT QSil 211 Silicone Elastomer

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CHT QSil 211 Silicone Elastomer
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Description: The product is a transparent and colorless silicone formulation and is ideal for optical applications. The viscosity profile enables excellent flow around components and is excellent for potting complex parts. The chemical composition results in a cured product that is hydrolytically stable as well as reversion resistant. The silicone elastomer provides electrical insulation and physical shock resistance of components and enables environmental protection. Key Features Non-yellowing catalyst system Heat cure required to obtain full properties and adhesion Application: SilSo Clear 21002 is designed for optical injection molding applications such as lenses, light guides and LEDs. Cured Product: 150C for 30 mins Information provided by CHT Group
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Physical Properties	Metric	English	Comments

Density	1.00 g/cc	0.0361 lb/in³	A
	1.00 g/cc	0.0361 lb/in³	B
Brookfield Viscosity	27000 cP	27000 cP	A
	27000 cP	27000 cP	B
Linear Mold Shrinkage	<= 0.0010 cm/cm	<= 0.0010 in/in
Storage Temperature	<= 38.0 °C	<= 100 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	40	40	ASTM D2240-95
Tensile Strength	4.62 MPa	670 psi	ISO 37
Elongation at Break	285 %	285 %	ISO 37

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	204 °C	399 °F
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F

Processing Properties	Metric	English	Comments
Gel Time	25.0 min	25.0 min
Shelf Life	24.0 Month	24.0 Month

Descriptive Properties
Color	Transparent		A
	Transparent		B
Mix Ratio	1:1		By Weight

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PCHTSIL078 / 314561

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