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Master Bond adhesives

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CHT Silcoset 151 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

  • Aerospace approved MSRR 9085
  • Flexible from -60/-76°F to +300°C/572°F
  • FDA CFR 177,2600 for aqueous and fatty foods
  • EC 1935/2004 framework EN 1186-1 / EN1186-3 compliance
Key Applications
  • Germany food contact approval LFGB §31 (1), §35 LMBG L 00.90-7 and DIN 10955
  • Flexibility from - 60 to +300°C
  • NATO Stock ref: 5970-99-224-1408
  • Rolls Royce MSRR 9085
Application: Conveyor belts in food industry 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 1.14 g/ccBS ISO 2781
Brookfield Viscosity 210000 cPMixed
Linear Mold Shrinkage 0.0050 cm/cm
Storage Temperature <= 40.0 °C
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 425 psiISO 37
Elongation at Break 180 %ISO 37
Tensile Modulus 231 psiYoung's
100% Modulus 248 psi
Tear Strength 36.0 pliBS ISO 34-1
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 3.49e+16 ohm-cmASTM D-257
Dielectric Constant 3.5ASTM D-150
Dielectric Strength 535 V/milASTM D-149
Dissipation Factor 0.0025ASTM D-150
 
Thermal PropertiesOriginal ValueComments
CTE, linear 297 µm/m-°C
Thermal Conductivity 0.200 W/m-K
Maximum Service Temperature, Air 300 °C
Minimum Service Temperature, Air -60.0 °C
 
Processing PropertiesOriginal ValueComments
Extrusion Rate 92.0 g/min
Cure Time 10.0 minTack Free Time / Skin Formation
 12.0 hour
@Temperature 23.0 °C
3mm Depth
Shelf Life 18.0 Month
 
Descriptive Properties
AppearanceViscous liquid
ColorWhite
Cure typeAcetoxy
Hardness IRHD40BS ISO 48
RheologySelf Level
Self BondingYes
Volume Coefficient of Thermal Expansion892 ppm/°C

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PCHTSIL040 / 314523

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