17 aramid resins in all forms for general industry use; mica for general industrial use and products made of mica, namely, electrical insulation, honeycomb building modules and sheets and mica paper; semi-processed cellulose acetate for general industrial use; semi-processed foams for hot gas filtration; non-metallic composite structures, namely, building modules, blocks and sheets formed from an aramid fiber for insulation; honeycomb and sandwich blocks and sheets for the manufacture of floors and for dividing compartments to provide rigidity and insulation; honeycomb and sandwich sheets and modules for sound insulation, protection and insulation against radiation, electric insulation and air fitration; aramid resin sheets, panels, tubes and pipes; non-metallic tubes for insulation purposes; non-metallic sheets for insulation purposes; non-metallic and textile coatings for insulation purposes in the form of foils, sheets, rods and panels; insulating materials, namely, panels, batts, sheets and tubes in the form of paper and fabric; and metallizable foils of plastic and paper for insulation purposes