Masterbond Thermoset Epoxy

Technical datasheet

MasterSil 151S

Supplied byMaster Bond- Last Updated on Jan 31, 2026

MasterSil 151S by Master Bond is a silver-filled, two component silicone rubber system. It is a vacuum compatible grade and exhibits good dimensional stability, high elongation, low shrinkage and high flexibility. Provides high electrical conductivity, low outgassing and long working life. Offers high resistance to temperature, mechanical and thermal shocks. Recommended for aerospace, electronic, opto-electronic and OEM applications. It has a shelf life of 3-6 months. MasterSil 151S by Master Bond meets RoHS and NASA Low Outgassing specifications.
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MasterSil 151S properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Volume Resistivity0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Hardness, Shore A0.0 Visible After LoginVisible After LoginVisible After Login
Lap Shear Strength0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Elongation0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Viscosity0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Linear Mold Shrinkage0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
CTE, Linear0.0 Visible After LoginVisible After LoginVisible After Login
Service Temperature0.0 Visible After LoginVisible After LoginVisible After Login
Thermal Conductivity0.0 Visible After LoginVisible After LoginVisible After Login

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