Insulating coating
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United States of America Patent
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Feb 21, 1989
Issued Date -
N/A
app pub date -
Jan 8, 1986
filing date -
Oct 15, 1982
priority date (Note) -
Expired
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Abstract
Insulating coatings are disclosed which include an inner layer of glass fabric impregnated with a binding agent supporting particles of mica, followed by two additional layers, of either polytetrafluoroethylene or glass fabric, which readily adhere to each other. The polytetrafluoroethylene decomposes at temperatures of about 1,000.degree. C., at which temperatures the glass fabric melts to convert the coating into a glass coated mica which can maintain its insulating properties both at those high temperatures and upon cooling to lower temperatures.
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