The provided Heat treated fiberglass fabric HT800 is also available with the specialty coating such as aluminum foil, dyeing, graphite heat treatment, adhesive back, silicon rubber, wire insert, vermiculite and many more. It is widely used in thermal insulation and heat protection pipes, electrical cables, sealing joints of ovens and boiler doors, flexible tubes, and fireplaces. This has 537Â°C continuous rating and high insulation value that offers excellent personnel protection. Our Heat treated fiberglass fabric HT800 is resistive towards solvents, oils and other chemicals. Its contact with strong alkali, hydrofluoric acids and live steam should be avoided.