17 Glass reinforced resins, semi-worked or semi-finished, in the form of pellets, rods, fibers, films, and sheets; carbon fibers not for textile use; glass fibers for insulation; insulating materials made of mineral fibers in the nature of bulk insulation, strips; composite materials made of carbon fibers not for textile use in the form of profiles, boards, sheets, blocks, rods, pellets for use in manufacturing; fiberglass composite materials not for textile use in the form of profiles, boards, sheets, blocks, rods, pellets for use in manufacturing; composite materials made of mineral fibers not for textile use in the form of profiles, boards, sheets, blocks, rods, pellets for use in manufacturing; glass, carbon, steel, resin fibers for insulation