insulating refractory fibers, namely, synthetic refractory material fibers in any form including bulk fibers, mats, blankets, boards, modules, felts, roving yarn, cloth, tape, rope, braid, [ cord, ] wicking, paper, molded articles such as blocks, boards, [ tubes, laminates, ] and vacuum cast shapes, and compositions such as coatings, cements, tamping mixes [, and ramming mixes ] ; for use as a high temperature resistant material for thermal, acoustical, mechanical, and electrical insulation; for gas filtration; for use as a component of high temperature resistant seals, gaskets and packings; for use as catalyst supports; for use as insulation that provides heat and flame protection; for use in manufacturing of friction materials such as brake and clutch linings; and for use in molten metals transfer; ii. insulating refractory fibers, namely, synthetic vitreous fiber in the form of bulk fibers, blankets, and modules for refractory linings, thermal insulation, insulation for heat and flame protection, and metals transfer; [ iii. insulating refractory fibers, namely, microporous silica fibers for use in insulation in electrical, acoustical, thermal, and mechanical applications ]

refractory building materials containing refractory fibers in any form, namely, bulk fibers, mats, blankets, boards, modules, paper, molded articles such as blocks, boards, [ tubes, laminates, ] and vacuum cast shapes, and compositions such as coatings, cements, tamping mixes [, and ramming mixes ] ; ii. synthetic refractory building materials containing synthetic vitreous fibers in any form, namely, blankets, modules for refractory linings and heat and flame protection; [ iii. synthetic refractory building materials containing microporous silica fibers in the form of intumescent papers or mats for use as building fire stop materials and building materials for heat and flame protection ]

synthetic fibers, namely synthetic refractory material fibers, synthetic vitreous fiber, and microporous silica fiber