Electronic Products & Technology

Flowable silicone delivers thermal cycling, shock resistance

Stephen Law   

Electronics Production / Materials bonding sealing silicone

MASTER BOND MasterSil 323 two component, addition cured system for bonding, sealing and potting applications. Product has a convenient to use 1:1 mix ratio and can be packaged in double barrel cartridges for dispensing from a gun applicator. Product can be applied in thin and thick sections. The silicone has enhanced flexibility, with an elongation of 150-250% at room temperature, a Shore A hardness of 35-45 and a low tensile modulus of 100-175 psi at 75°F for stress relief. Product is capable of withstanding rigorous thermal cycling and shock without cracking or exerting stress on components.

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