New EP70CN Epoxy Adhesive Exhibits a Tensile Strength of 11,000 to 12,000 psi
Press Release Summary:
Master Bond’s EP70CN Epoxy Adhesive is available in 1/2 pint, pint, quart and gallon kits and is used for bonding, sealing, coating and potting applications. The product offers a tensile modulus of 300,000 to 350,000 psi and features a glass temperature transition temperature of 130 to 135°C and viscosity of 2,500 to 5,000 cps. The adhesive bonds to substrates such as metals, ceramics and plastic materials and provides a volume resistivity of greater than 10^14 ohm-cm.
Original Press Release:
High Strength Epoxy Utilizes Renewable Biomaterial: EP70CN
Master Bond EP70CN is 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. “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.”
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 and many rubbers, plastic materials, and 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 10^14 ohm-cm) and a relatively low exotherm. This combination of properties enables it to be used in many encapsulating applications.
EP70CN can be used in aerospace, electronic, opto-electronic and OEM applications, particularly those involving composites and fibers. 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.
For more information on EP70CN, request a technical data sheet.
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