Tape moisture resistant. It is manufacture from high tensile strength of the glass resulting in a high tensile, high modules, low elongation, high impact strength bond. Glass fibers are in organic, sterile and incombustible. It is resilient, will not rot and are unaffected by fungi, insects, bacteria etc. Figer Glass Cloth tapes are available for B class and F class insulation for temperature 130 deg and 150 deg C