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Suitability of Electrical Insulating Materials

January 29th Fact-of-the-Day

Both electrical engineers and radio amateurs tend to focus on the electrical insulating and dielectric properties of various materials that can be used as electrical insulators. However, the suitability of insulating materials for use in particular applications more often is limited by fabrication economics, mechanical strengths of various types, mechanical failure modes, thermal stability, chemical stability, the release of toxic gasses when burned in fires, and other non-electrical characteristics than by insulating or dielectric properties. Insulating and dielectric properties obviously are important, but many more materials have acceptable insulating and dielectric properties than meet all the other requirements that are important in typical applications. ©2005 Martek International All rights reserved.


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