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Metal adhesives

CHT Group AS1802 (1084G) SILCOTHERM 1 Part RTV silicone adhesive
Categories: Polymer; Adhesive
Material Notes: AS1802 is a non-corrosive, 1-part, room temperature vulcanising (RTV) silicone rubber. It is one of a new family of products called acetone cure sealants that are solvent free. It exhibits excellent primerless adhesion to many substrates. The product is cured rapidly in contact with atmospheric moisture to a tough rubber. It does not corrode copper or its alloys and exhibits excellent primerless adhesion when fully cured.

Key Features:

  • Excellent thermal conductivity
  • Non-corrosive
  • Fast skinning
  • Low linear shrinkage
  • Will meet the requirements of UL 94 V-0

Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 2.11 g/cc2.11 g/ccafter 7 days cure at 23+/-2°C and 65% relative humidity; BS 903 Part A1
Linear Mold Shrinkage 0.0050 cm/cm0.0050 in/inafter 7 days cure at 23+/-2°C and 65% relative humidity
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 6767after 7 days cure at 23+/-2°C and 65% relative humidity; ASTM D 2240-95
Tensile Strength 3.90 MPa566 psiafter 7 days cure at 23+/-2°C and 65% relative humidity; BS903 Part A2
Elongation at Break 103 %103 %after 7 days cure at 23+/-2°C and 65% relative humidity; BS903 Part A2
Adhesive Bond Strength 0.292 MPa42.4 psiOverlap Shear Strength, Stainless Steel 304; ASTM D1002
 0.353 MPa51.2 psiOverlap Shear Strength, Copper; ASTM D1002
 0.701 MPa102 psiOverlap Shear Strength, Aluminum; ASTM D1002
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+14 ohm-cm1.00e+14 ohm-cmASTM D257
Dielectric Constant 4.9
@Frequency 1e+6 Hz		4.9
@Frequency 1e+6 Hz		ASTM D150
Dielectric Strength 20.0 kV/mm508 kV/inASTM D149
Dissipation Factor 0.00090
@Frequency 1e+6 Hz		0.00090
@Frequency 1e+6 Hz		ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 164 µm/m-°C91.1 µin/in-°Fafter 7 days cure at 23+/-2°C and 65% relative humidity
Thermal Conductivity 2.30 W/m-K16.0 BTU-in/hr-ft²-°Fafter 7 days cure at 23+/-2°C and 65% relative humidity
Maximum Service Temperature, Air 220 °C428 °Fafter 7 days cure at 23+/-2°C and 65% relative humidity; AFS 1540B
Minimum Service Temperature, Air -50.0 °C-58.0 °Fafter 7 days cure at 23+/-2°C and 65% relative humidity
 
Processing PropertiesMetricEnglishComments
Cure Time 10100 min
@Temperature 21.0 - 25.0 °C		168 hour
@Temperature 69.8 - 77.0 °F		65% relative humidity
 <= 480 min
@Thickness 3.00 mm		<= 8.00 hour
@Thickness 0.118 in		Cure Through, 23+/-2°C and 65% relative humidity
Tack-Free Time 4.00 min0.0667 hour23+/-2°C and 65% relative humidity
 
Descriptive Properties
AppearanceGrey Paste
ColorGrey

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PACC2004 / 199392

Metal adhesives




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