Machine Design

New Product: Flexible epoxy

EP40, a flexible two-component epoxy-resin compound is said to have good shear and peel strength.

For example, shear and peel strength for bonding polycarbonates are in the order of 1,000 psi and 20 pli, respectively, while steel and aluminum bonds have shear strengths of 1,800 and 1,500 psi. It is formulated to cure readily at ambient temperatures, but more quickly at higher elevated temperatures. Its mix ratio is 1:1, by weight or volume. Its electrical insulation properties are also said to be good, even after prolonged exposure to hostile environments. The adhesive’s low viscosity simplifies bonding, sealing, and casting. It adheres to a variety of substrates ranging from engineering plastics, such as polycarbonates, acrylics, and ABS, to steel, aluminum, and other metals. It resists temperatures from –100 to 230°F.

MasterBond Inc., 154 Hobart St. Hackensack, NJ 07601, (201) 343-8983,

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