Master Bond EP21FRNS-2, a New Two Component Room Temperature Curing Epoxy Meets UL 94V-0 Specifications for Flame Retardancy

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Master Bond EP21FRNS-2 is a two component, flame resistant, epoxy system for potting, encapsulating and casting featuring a non-halogen filler. It produces very low smoke levels and meets UL 94V.0 flame retardant specification.

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Featuring a non-halogen filler, Master Bond EP21FRNS-2 passes UL 94V-0 testing for flame retardancy in potting, encapsulation and casting applications. It produces very low smoke levels and is well suited for the computer, aerospace and related industries.

This new, two part epoxy features a convenient one to one mix ratio by weight and cures at room temperature or more quickly at elevated temperatures. EP21FRNS-2’s handling is further facilitated by color coding—Part A is black and Part B is off-white.

This tough and durable system bonds well to a wide variety of substrates including metals, glass, ceramics and many plastics. It can also withstand exposure to a range of chemicals, such as water, fuels, lubricants and acids, among others. As per the UL 94V-0 specification, EP21FRNS-2 is serviceable over the temperature range of -51°C to 90°C. Featuring a moderate viscosity, this epoxy maintains its flow and is a reliable electrical insulator.

EP21FRNS-2 is available in ½ pint, pint, quart, gallon and 5 gallon kits, as well as premixed and frozen syringes, bubble packs and gun dispensers.

Master Bond High Temperature Resistant Potting Compounds

Master Bond EP21FRSN-2 is a two component, flame retardant, toughened epoxy that resists high temperatures up to 90°C. Read more about Master Bond’s potting compounds at http://www.masterbond.com/applications/potting-and-encapsulation or contact Tech Support. Phone: +1-201-343-8983 Fax: +1-201-343-2132 Email: technical(at)masterbond(dot)com.

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Jane Trager
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