CHT AS1803 RTV, silicone adhesive sealant

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CHT AS1803 RTV, silicone adhesive sealant
Categories:	Polymer; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade
Material Notes:	Description: This is a non-corrosive, neutral cure, 1-part, RTV (Room Temperature Vulcanizing) silicone adhesive sealant. It is one in a range of Acetone cure products which are solvent free. It exhibits excellent primerless adhesion to many substrates and cures rapidly at room temperature when in contact with atmospheric moisture to form a tough rubber. This product will not corrode copper or its alloys and is suitable for use with electronic components. Key Features UL recognized in file No. E334038 Good thermal conductivity Non corrosive Fast skinning Cured Product: 7 days at 23+/-2°C and 50+/-5% humidity Information provided by CHT Group
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Physical Properties	Original Value	Comments

Density	2.24 g/cc	BS ISO 2781
Linear Mold Shrinkage	0.010 cm/cm
Storage Temperature	<= 40.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore A	65	ASTM D2240-95
Tensile Strength	406 psi	ISO 37
Elongation at Break	94 %	ISO 37
Tensile Modulus	58.0 psi	Young's
100% Modulus	73.0 psi
Shear Strength	0.255 MPa	Lap Shear Stainless Steel; ASTM D1002
	0.294 MPa	Lap Shear Copper; ASTM D1002
	0.588 MPa	Lap Shear Aluminum; ASTM D1002

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 ohm-cm	ASTM D-257
Dielectric Constant	4.9	ASTM D-150
Dielectric Strength	508 V/mil	ASTM D-149
Dissipation Factor	0.0090	ASTM D-150

Thermal Properties	Original Value	Comments
CTE, linear	198 µm/m-°C
Thermal Conductivity	1.55 W/m-K
Maximum Service Temperature, Air	220 °C
Minimum Service Temperature, Air	-50.0 °C

Processing Properties	Original Value	Comments
Cure Time	4.00 min	Tooling Time
	8.00 hour @Temperature 23.0 °C	3mm Depth
Shelf Life	9.00 Month	in cartridges
	12.0 Month	in pails drums

Descriptive Properties
Color	White
Cure type	Acetone
Rheology	Paste
Self Bonding	Yes
Volume Coefficient of Thermal Expansion	475 ppm/°C

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PCHTSIL031 / 314514

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