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Master Bond adhesives

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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 PropertiesOriginal ValueComments
Density 1.09 g/ccBS ISO 2781
Brookfield Viscosity 60000 cPMixed
Linear Mold Shrinkage 0.010 cm/cm
Storage Temperature <= 40.0 °C
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 24ASTM D2240-95
Tensile Strength 725 psiISO 37
Elongation at Break 600 %ISO 37
Tensile Modulus 123 psiYoung's
100% Modulus 67.0 psi
Tear Strength 12.0 pliBS ISO 34-1
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 3.20e+15 ohm-cmASTM D-257
Dielectric Constant 3.0ASTM D-150
Dielectric Strength >= 457 V/milASTM D-149
Dissipation Factor 0.0025ASTM D-150
 
Thermal PropertiesOriginal ValueComments
CTE, linear 285 µm/m-°C
Thermal Conductivity 0.200 W/m-K
Maximum Service Temperature, Air 250 °C
Minimum Service Temperature, Air -50.0 °C
 
Processing PropertiesOriginal ValueComments
Extrusion Rate 217 g/min
Cure Time 10.0 minTack Free Time / Skin Formation
 14.0 hour
@Temperature 23.0 °C
3mm Depth
Shelf Life 12.0 Month
 
Descriptive Properties
AppearanceViscous liquid
ColorWhite
Cure typeAcetoxy
RheologyFlowable
Self BondingYes
Volume Coefficient of Thermal Expansion854 ppm/°C

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PCHTSIL012 / 314495

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