Polysulfide Adhesives EP21TPFL-1AO

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Polysulfide Adhesives EP21TPFL-1AO
Polysulfide Adhesives EP21TPFL-1AO

Master Bond EP21TPFL-1AO is a two component, low viscosity epoxy polysulfide for high performance bonding, sealing, coating and encapsulation. The main focus of this material is genuinely good thermal conductivity and electrical insulation properties, as well as a high degree of flexibility. This enables EP21TPFL-1AO to be used in situations with intense thermal cycling along with thermal and mechanical shock. Its lower viscosity and easy flow make it well suited for many potting and encapsulation applications. Additionally, being a polysulfide based system, it has very good chemical resistance, particularly to fuels, oils, hydraulics and related compounds.

The handling is relatively straightforward. The mix ratio is a forgiving two to three by weight or volume. Upon mixing, the open time is conveniently long. It has very good adhesion to metals, ceramics, composites, glass, and many rubbers and plastics. The system should not be heated and will crosslink fully 3-5 days. The service temperature range is -60°F to +250°F. The system is color coded for easy mixing, Part A is black while Part B is off-white. This unusual blend of properties; specifically, flexibility, thermal conductivity chemical resistance, allows EP21TPFL-1AO to be a prime candidate for specialty applications in the electronic, aerospace, specialty OEM and related industries.

Product Advantages
Easy to handle; forgiving mix ratio
Superb thermal conductivity and electrical insulation values
Exceptional flexibility, withstands aggressive thermal cycling
Stellar chemical resistance profile
Fully cures at ambient temperatures
Lower viscosity, well suited for potting and encapsulation

Posted on May 21, 2015 - (671 views)
Master Bond Inc.
154 Hobart Street.
07601 Hackensack - USA
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Master Bond Inc. is a leading manufacturer of high performance adhesives, sealants, coatings, potting and encapsulation compounds and impregnation resins. Our line of products consists of epoxies, polyurethanes, silicones, acrylics, polyamides and latex systems.

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