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Master Bond adhesives

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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 PropertiesOriginal ValueComments
Density 1.05 g/ccBS ISO 2781
Linear Mold Shrinkage 0.0090 cm/cm
Storage Temperature <= 40.0 °C
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 336 psiISO 37
Elongation at Break 280 %ISO 37
Tensile Modulus 94.0 psiYoung's
100% Modulus 132 psi
Tear Strength 32.0 pliBS ISO 34-1
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 4.70e+14 ohm-cmASTM D-257
Dielectric Constant 3.2ASTM D-150
Dissipation Factor 0.0012ASTM D-150
 
Thermal PropertiesOriginal ValueComments
CTE, linear 292 µm/m-°C
Thermal Conductivity 0.200 W/m-K
Maximum Service Temperature, Air 250 °C
Minimum Service Temperature, Air -60.0 °C
 
Processing PropertiesOriginal ValueComments
Extrusion Rate 204 g/min
Cure Time 4.00 minTack Free Time / Skin Formation
 7.00 hour
@Temperature 23.0 °C
3mm Depth
Shelf Life 24.0 Month
 
Descriptive Properties
AppearanceThixotropic paste
ColorTranslucent
Cure typeAcetoxy
Hardness IRHD39BS ISO 48
RheologyPaste
Self BondingYes
Volume Coefficient of Thermal Expansion876 ppm/°C

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PCHTSIL042 / 314525

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