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Master Bond Develops EP3RR-80, a 1C Thermally Conductive Epoxy

Published on 2015-08-11. Author : SpecialChem

Developed by Master Bond for a variety of bonding, sealing, potting and encapsulation applications, Master Bond EP3RR-80 is a one component epoxy that offers user friendly handling. It has a moderate viscosity, good flow properties and an unlimited working life at ambient temperatures. Additionally, this system can be stored at 40-50°F and does not require freezing.

Master Bond EP3RR-80
Fig. 1: Master Bond EP3RR-80

Unlike typical one part epoxies, Master Bond’s EP3RR-80 will cure in 45-50 minutes at 80°C (175°F), or in 25-30 minutes at 250°F. It features low exotherm while curing enabling it to cure in thicker sections up to and beyond a 1/2 inch deep. This dimensionally stable compound forms high strength bonds to metals, composites, ceramics, glass and many plastics.

Master Bond ‘s EP3RR-80 has superb electrical insulation characteristics and delivers a thermal conductivity of 5-6 BTU•in/(ft²•hr•°F) [0.72-0.87 W/(m•K)] at 75°F. Resistance to water, oils, fuels and many other chemicals is outstanding. Service operating temperature range is -100°F to +350°F.

This compound is widely employed in the electronics, aerospace, specialty OEM and related industries. It is available for use in syringes as well as standard containers ranging from ½ pints to gallons.

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

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