NOVEMBER 10, 2008 -- Master Bond (search for Master Bond) has debuted a clear epoxy for bonding and potting optical components. Master Bond EP29LP is a multi-purpose two-part optical epoxy that features essential qualities for large casting and potting applications, according to the company.
It has a low viscosity of 700-800 cps and a low exotherm to a peak of 50°C. This optical adhesive is designed to adhere well to optical fibers, optical connectors, lenses, and glass and forms high-strength bonds of more than 3500 psi in shear. It exhibits good optical transmission that is "superb" for bonding and potting optical assemblies, the company adds. The adhesive has a temperature range of -51°C to 121°C.
Other noteworthy features include good electrical insulation properties, for an encapsulant used in electro-optics, adequate thermal conductivity and a good chemical resistance to water, fuels, acids, bases and salts.
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