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Master Bond Launches High Strength Renewable Epoxy Adhesive

Published on 2018-08-07. Author : SpecialChem

TAGS:  Epoxy Adhesives     Natural-based Adhesives      Sealants    

Master Bond has launched EP70CN, a two part, thermally stable epoxy adhesive formulated using a natural, renewable and sustainable ingredient. This epoxy system forms high physical strength bonds and can be utilized for bonding, sealing, coating and potting.

Master Bond EP70CN: Various Added Advantages

masterbond epcn70 bonding strength
Master Bond's EP70CN, a two part, thermally stable epoxy adhesive

It is a low viscosity formulation with a mixed viscosity of 2,500 to 5,000 cps. With a long working life of 60 to 90 minutes and a variety of curing options, the optimal cure schedule is overnight at room temperature followed by 3-4 hours at 140°F to 170°F.

EP70CN bonds well to a wide variety of substrates including:
  • Metals
  • Ceramics 
  • Many rubbers
  • Plastic materials
  • Especially composites with low shrinkage upon cure

It features excellent wetting properties which makes it suitable for applications involving bonding and sealing fibers. EP70CN has a high volume resistivity (greater than 1014 ohm-cm) and a relatively low exotherm. This combination of properties enables it to be used in many encapsulating applications.

Multiple Application Areas

EP70CN can be used in:
  • Aerospace,
  • Electronic,
  • Opto-electronic
  • OEM applications particularly those involving composites and fibers

The tensile strength is 11,000 to 12,000 psi and the tensile modulus, 300,000 to 350,000 psi. It features a glass transition temperature of 130 to 135°C”, says Rohit Ramnath, Senior Product Engineer. “The EP70CN has a very good chemical resistance profile when cured at the optimal cure schedule.”

In addition to specialty packaging in the form of premixed & frozen syringes and FlexiPaks®, EP70CN is available in standard packaging of ½ pint, pint, quart and gallon kits.

Source: Master Bond
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