materials in the form of sheets and boards made of fibers for use in industrial apparatus and processes as high and low temperature heat insulation, acoustic insulation, gasketing, and personal protection against injury from high and low temperature objects and materials; and for use as raw materials in the manufacture of thermal and acoustic insulators, heat shields cut from the material, and heat shields cut and molded from the material.

Insulation-Namely, Ceramic Fibers, Bonded Together to Form Heat Resistant and Thermal Insulating Materials for Use in High Temperature Industrial Apparatus, Particularly in the Forms of Flexible Sheets, Boards and Roll Covers