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Master Bond Introduces 2-part Epoxy Polysulfide System for Bonding Applications in Electronics & more

Published on 2015-05-26. Author : SpecialChem

Master Bond introduces EP21TPFL-1AO, an electrically insulative, two part epoxy polysulfide system with a thermal conductivity of 9-10 BTU•in/ft2•hr•°F [1.30-1.44 W/(m•K)].

As a polysulfide based system, EP21TPFL-1AO has very good chemical resistance, particularly to fuels, oils, hydraulic fluids and related compounds. EP21TPFL-1AO has unusual blend of properties, enables EP21TPFL-1AO to be a candidate for a variety of bonding, sealing, coating and encapsulation applications in the electronic, aerospace, specialty OEM and related industries.

With an elongation of 150-200%, EP21TPFL-1AO offers a high degree of flexibility and it can withstand intense thermal cycling and mechanical shock. EP21TPFL-1AO is a low viscosity system also has a hardness of 70-90 Shore A. The mix ratio is a forgiving two to three by weight or volume. Color coding facilitates mixing. Part A is black and Part B is off-white. Working life is a conveniently long 90-120 minutes at 75°F.

EP21TPFL-1AO fully cures at ambient temperatures and should not be heated. It has very good adhesion to metals, ceramics, composites, glass, and many rubbers and plastics. This compound is serviceable over the wide temperature range of -60°F to +250°F and has a 6 month shelf life in original, unopened containers. EP21TPFL-1AO is available for use in ½ pint, pint, quart, gallon or 5 gallon container kits.

About Master Bond
Master Bond Inc. formulates the highest quality products and offers unmatched technical advice and customer support. Its product line consists of advanced adhesives, sealants, coatings, potting/encapsulation compounds and impregnation resins. Each compound is designed to meet specific application needs and requirements. Master Bond manufactures over 3,000 grades of specially designed formulations. The company offers replacements for competitors' discontinued products.

Source: Master Bond Inc.

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