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Master Bond adhesives

CHT Silcoset 153 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

  • UL recognised in file No. E334038
  • Aerospace approved Rolls Royce MSRR 9410
  • Flexible from -60°C/140°F to +250°C/482°F
  • Excellent adhesion to many substrates
Key Applications
  • NATO Stock reference 8030-99-225 -0471
  • Germany food contact approval LFGB §31 (1), §35 LMBG L 00.90-7 and DIN 10955
Application: Designed for high temperature aviation and aerospace applications 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 60+/-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 1.05 g/cc0.0379 lb/in³BS ISO 2781
Linear Mold Shrinkage 0.0090 cm/cm0.0090 in/in
Storage Temperature <= 40.0 °C<= 104 °F
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength 2.32 MPa336 psiISO 37
Elongation at Break 280 %280 %ISO 37
Tensile Modulus 0.000648 GPa0.0940 ksiYoung's
100% Modulus 0.910 MPa132 psi
Tear Strength 5.61 kN/m32.0 pliBS ISO 34-1
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 4.70e+14 ohm-cm4.70e+14 ohm-cmASTM D-257
Dielectric Constant 3.23.2ASTM D-150
Dissipation Factor 0.00120.0012ASTM D-150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 292 µm/m-°C162 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 -60.0 °C-76.0 °F
 
Processing PropertiesMetricEnglishComments
Extrusion Rate 204 g/min204 g/min
Cure Time 4.00 min0.0667 hourTack Free Time / Skin Formation
 420 min
@Temperature 23.0 °C
7.00 hour
@Temperature 73.4 °F
3mm Depth
Shelf Life 24.0 Month24.0 Month
 
Descriptive Properties
AppearanceThixotropic paste
ColorTranslucent
Cure typeAcetoxy
Hardness IRHD39BS ISO 48
RheologyPaste
Self BondingYes
Volume Coefficient of Thermal Expansion876 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.

PCHTSIL042 / 314525

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