FIBERGLAS

THERMAL AND ACOUSTIC INSULATION-NAMELY, MATS, BATS, BLANKETS, CAKES OF INTERBONDED OR INTERMATTED FIBERS, LOOSE MASSES OF GLASS FIBERS, NODULATED AND SHREDDED MASSES OF GLASS FIBERS, AND INSULATING CEMENT; [ AND FINISHING CEMENT; ] THERMAL INSULATION-NAMELY, SHAPED RIGID FORMS CONTAINING FIBROUS GLASS FOR INSULATING PIPES AND OTHER CONDUITS, TANK JACKETS, RIGID BLOCKS AND BOARDS FOR HIGH TEMPERATURE, AND LAGGING TAPE; AND OTHER MATERIALS-NAMELY, PIPE WRAPPING IN THE FORM OF SHEETS OR WEBS OF FIBROUS GLASS, FACED AND UNFACED WALL BOARDS OF FIBROUS GLASS, AND STRIPPING TAPE, OF OR CONTAINING FIBROUS GLASS