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Master Bond adhesives

CHT AS1524 RTV, silicone adhesive sealant
Categories: Polymer; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade

Material Notes: Description: This is a 1-part, RTV (Room Temperature Vulcanizing) silicone adhesive sealant. It is one in a range of Acetoxy cure products which are solvent free. During cure, it liberates a very small amount of acetic acid, giving rise to the familiar ‘vinegar’ odor, which quickly dissipates after cure. It exhibits good primer-less adhesion to many substrates including but not limited to; aluminum, non ferrous metals, steel, glass, enameled surfaces, fabrics ceramics, thermosetting, thermoplastics and wood and cures rapidly at room temperature when in contact with atmospheric moisture. This product is not to be recommended for use with galvanized metals, ferrous metals, copper and its associated alloys or in electronic assemblies.

Key Features

  • Fast room temperature cure
  • Very high elongation
  • Good tensile strength
  • Good adhesion to many substrates
Application: Industrial belt coating. These products are highly resistant to weathering and aging, largely stable to many solvents, oils, water, sea water, industrial waste gasses, diluted acids, saline solutions detergents, cleaners, propellants and fruit acids.

Cured Product: 7 days at 23+/-2°C and 50+/-5% humidity

Information provided by CHT Group

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
Density 1.09 g/cc0.0394 lb/in³BS ISO 2781
Brookfield Viscosity 60000 cP60000 cPMixed
Linear Mold Shrinkage 0.010 cm/cm0.010 in/in
Storage Temperature <= 40.0 °C<= 104 °F
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 2424ASTM D2240-95
Tensile Strength 5.00 MPa725 psiISO 37
Elongation at Break 600 %600 %ISO 37
Tensile Modulus 0.000848 GPa0.123 ksiYoung's
100% Modulus 0.462 MPa67.0 psi
Tear Strength 2.10 kN/m12.0 pliBS ISO 34-1
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 3.20e+15 ohm-cm3.20e+15 ohm-cmASTM D-257
Dielectric Constant 3.03.0ASTM D-150
Dielectric Strength >= 18.0 kV/mm>= 457 kV/inASTM D-149
Dissipation Factor 0.00250.0025ASTM D-150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 285 µm/m-°C158 µin/in-°F
Thermal Conductivity 0.200 W/m-K1.39 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 250 °C482 °F
Minimum Service Temperature, Air -50.0 °C-58.0 °F
 
Processing PropertiesMetricEnglishComments
Extrusion Rate 217 g/min217 g/min
Cure Time 10.0 min0.167 hourTack Free Time / Skin Formation
 840 min
@Temperature 23.0 °C
14.0 hour
@Temperature 73.4 °F
3mm Depth
Shelf Life 12.0 Month12.0 Month
 
Descriptive Properties
AppearanceViscous liquid
ColorWhite
Cure typeAcetoxy
RheologyFlowable
Self BondingYes
Volume Coefficient of Thermal Expansion854 ppm/°C

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.

PCHTSIL012 / 314495

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