CHT AS1700 RTV, silicone adhesive sealant

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CHT AS1700 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 Alkoxy cure products which are solvent free. It exhibits excellent primerless adhesion to many substrates and cures 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 Non corrosive Excellent adhesion to most substrates Excellent dielectric and isolating properties Low odor Application: Fiber Optic Cables 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	1.10 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	30	ASTM D2240-95
Tensile Strength	352 psi	ISO 37
Elongation at Break	545 %	ISO 37
Tensile Modulus	78.0 psi	Young's
100% Modulus	88.0 psi
Shear Strength	0.298 MPa	Lap Shear Stainless Steel; ASTM D1002
	0.390 MPa	Lap Shear Copper; ASTM D1002
	0.392 MPa	Lap Shear Aluminum; ASTM D1002
	0.512 MPa	Lap Shear Polycarbonate Steel; ASTM D1002
Tear Strength	71.0 pli	BS ISO 34-1

Electrical Properties	Original Value	Comments
Volume Resistivity	2.20e+15 ohm-cm	ASTM D-257
Dielectric Constant	3.0	ASTM D-150
Dielectric Strength	457 V/mil	ASTM D-149
Dissipation Factor	0.0025	ASTM D-150

Thermal Properties	Original Value	Comments
CTE, linear	270 µm/m-°C
Thermal Conductivity	0.200 W/m-K
Maximum Service Temperature, Air	200 °C
Minimum Service Temperature, Air	-50.0 °C

Processing Properties	Original Value	Comments
Extrusion Rate	290 g/min
Cure Time	10.0 min	Tack Free Time / Skin Formation
	36.0 hour @Temperature 23.0 °C	3mm Depth
Shelf Life	12.0 Month

Descriptive Properties
Appearance	Thixotropic paste
Color	Translucent
Cure type	Alkoxy
Rheology	Paste
Self Bonding	Yes
Volume Coefficient of Thermal Expansion	810 ppm/°C

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PCHTSIL020 / 314503

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