Category overview

Thermoset Silicone Resin (SI)

Based on 22 products - Last update on the Jun 26, 2025

Applications

Optics10 products

Electronics / Computers5 products

Electrical4 products

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RoHS6 products

Properties

Thermal Properties	Value & unit	Test condition	test method
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Mechanical Properties	Value & unit	Test condition	test method
Tensile Elongation (10)	Visible After Login	Visible After Login	Visible After Login
Tensile Strength (17)	Visible After Login	Visible After Login	Visible After Login
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Linear Mold Shrinkage (11)	Visible After Login	Visible After Login	Visible After Login
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Others properties	Value & unit	Test condition	test method
Viscosity (12)	Visible After Login	Visible After Login	Visible After Login
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MasterSil 151Med

by Master Bond

MasterSil 151Med by Master Bond is a two component, low viscosity, biocompatible silicone compound for high performance potting and encapsulation. It is an addition cured system and does not require exposure to air for complete cross-linking. It has a convenient ten to one mix ratio by weight, contains no solvents and will not outgas while curing.<br> <ul style="padding-left: 40px;"><li>It offers flexibility, high temperature & water resistance and superb electrical insulation properties.</li> <li>It readily cures at ambient temperatures or faster cure at elevated temperatures and can cure in thicknesses beyond 1 inch.</li> <li>It exhibits very low shrinkage upon cure, low exotherm, very long pot life, excellent optical clarity and transmission properties.</li> <li>It withstands severe thermal cycling and resists vibration, shock, gamma radiation, ETO & various chemical sterilants.</li> <li>It can be used for encapsulating electronic circuitry, electrical components, LEDs, optical fibers and other optical components in a wide array of medical devices.</li> <li>It has a shelf life of 6 months at 75°F, in original unopened containers.</li> <li>MasterSil 151Med is RoHS complaint, passes ISO 10993-5 for cytotoxicity and meets USP Class VI specifications.</li></ul>

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MasterSil 323AO-LO

by Master Bond

MasterSil 323AO-LO by Master Bond is a thermally conductive, electrically insulating, two-component silicone for high performance bonding, sealing and gap filling. It exhibits high viscosity, high bond strength, flowability and has a forgiving 1:1 mix ratio by weight. As an addition cured system, unlike a condensation cure, it does not require exposure to air for complete cross-linking.<br> <ul style="padding-left: 40px;"><li>It contains no solvents or diluents and has very low shrinkage upon curing.</li> <li>It bonds well to a wide variety of substrates such as glass, metals, ceramics, plastics and many rubbers, including silicones.</li> <li>It will resist the most aggressive types of thermal cycling and shock.</li> <li>It imparts almost no residual stress on substrates with different coefficients of expansion when it is thermally cycled.</li> <li>It is used in many optical, electronic and specialty OEM applications.</li> <li>It has a shelf life of 3-6 months at 75°F, in original unopened containers.</li> <li>MasterSil 323AO-LO is RoHS complaint and meets NASA low outgassing specifications.</li></ul>

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MasterSil 170 Gel

by Master Bond

MasterSil 170 Gel by Master Bond is a two component, low viscosity silicone material for sealing, potting and encapsulation. It is an addition cured system and does not require exposure to air for complete cross-linking. It has a convenient ten to one mix ratio by weight, contains no solvents and will not outgas while curing.<br> <ul style="padding-left: 40px;"><li>It offers high temperature & water resistance and superb electrical insulation properties.</li> <li>It can cure in thicknesses beyond 1 inch.</li> <li>It exhibits extreme softness, very low shrinkage upon cure, low exotherm, very long pot life, excellent optical clarity and transmission properties.</li> <li>It withstands severe thermal cycling and resists vibration, shock, gamma radiation, ETO and various chemical sterilants.</li> <li>It is used in optical, electronic parts, wire bonds, optical fibers, various chips, LEDs and resistors.</li> <li>It has a shelf life of 6 months at 75°F, in original, unopened containers.</li> <li>MasterSil 170 Gel is RoHS complaint and meets USP Class VI specifications.</li></ul>

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