Shock Resistant Adhesive Has High Peel and Sheer Strength

Description

Master Bond Inc., Hackensack, N.J., has introduced EP21TDC, a two component epoxy adhesive for general purpose bonding and sealing. It readily develops high shear strength of more than 2970 psi (217 Kg/cm²) at room temperature and unlike many other epoxy adhesives, is relatively insensitive to mixing ratio or substrate cleaning procedures.
 
The EP21TDC epoxy resin system furthermore features a very high T-peel strength of 32 pli after room temperature cure. It produces durable high strength and tough bonds which are remarkably resistant to thermal cycling and chemicals including water, oil and most organic solvents, over a temperature range of -75°C to more than 120°C. Adhesion to metals, glass, ceramics, wood, vulcanized rubbers and many plastics is excellent. The hardened adhesive is an electrical insulator with a volume receptivity of 1014 ohm-cm and a dielectric constant of 3.8.
 
EP21TDC adhesive is recommended for use in the electronic, electrical, computer, construction, metalworking, appliance, automotive and chemical industries.  The cured adhesive fully meets the requirements of MIL-A-81236 (OS), MMM-A-134-Type 1.  This system is available in premature kits, cartridge gun applicators as well as in pint, quart, gallon and 5 gallon containers.

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