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A "snap cure" highly conductive silver filled epoxy for use up to 400°F has been developed by Master Bond Inc., Hackensack, NJ. Supreme 10HTFS is a uniquely formulated system featuring a combination of high performance properties including high shear and peel strength, outstanding electrical conductivity, easy processing, along with a very rapid 2 minute cure. Tensile shear strengths in excess of 1,200 psi and T-peel strengths in excess of 5 pli are readily obtained. Volume resistivity is less than 10^-3 ohm-cm. Supreme 10HTFS has a wide service temperature beginning at a cryogenic 4°K and ranging up to 205°C (400°F). It also offers superior resistance to impact, thermal shock, vibration and stress fatigue cracking while maintaining the moisture, creep, corrosion and thermal resistance typical of epoxy resin adhesives. Supreme 10HTFS can be applied without sagging or dripping even on vertical surfaces.

Supreme 10HTFS offers the convenience of no mixing prior to use, combined with an unlimited working life before implementing the heat cure. Cures can be effected in 2 minutes at 190°C or in 20 minutes at 120°C. Supreme 10HTFS forms tough, highly electrically conductive bonds that are resistant to many chemicals including water, oil, fuels and most organic solvents. The exceptional electrical conductivity is fully retained even upon exposure to severe thermal cycling. Adhesion to metals, glass, ceramics, vulcanized rubbers and many plastics is excellent. The cured system is also a superior thermal conductor. It is suggested for use in microelectronic applications in the aerospace and electronic industries where high performance and rapid cures are required. It is available in various packaging configurations affording convenient dispensing as well as in pint, quart, gallon and 5 gallon containers.