Potting Compound

Cermacast 645N is a high-temperature ceramic potting compound used to encapsulate and insulate high-temperature flowmeters, and pressure and temperature sensors to 2,500°F. Key attributes are said to include excellent bonding to ceramic and metal substrates, ultra-low thermal conductivity, dielectric strength of 300 volts/mil and strong chemical resistance. Provided in powder form, the compound is mixed in a ratio of 100 parts powder to 25 parts water, dried at room temperature in eight hours and is then ramp cured for two to four hours at 200°F and three hours at 250°F. Available from stock, it can be applied by syringe, squeeze tube or automatic dispensing equipment.

Aremco Products Inc.

Valley Cottage, N.Y.


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