17 Unprocessed and semi-processed soundproofing, insulating, packing, caulking materials included in the class, not specified for use; polyester fibers; semi-worked plastic substances; elastomers, namely, thermoplastic elastomer resins and concentrates in pellet form for use in manufacturing in further manufacture and a wide variety of industries; synthetic resins, unprocessed; acetate of cellulose, semi-processed, for use in construction, production of textile material and packing material other than for wrapping; synthetic, raw or semi-worked rubber, gutta-percha, raw or partly processed gum, asbestos, mica and goods made from these materials not included in other classes, namely, mica for use as a plastics filler in the manufacture of electronic instruments, insulating materials, rubber and plastic padding, rubber and asbestos and foam and graphite and vinyl and plastic sheets, rubber and asbestos cords, plastic and rubber and fluoropolymer and nylon tubes, rubber and non-metallic flexible and rubber pipes, and rubber ornaments; asbestos coverings, namely, asbestos boards, asbestos sheets, asbestos fabrics and cloth, asbestos slate; polyethylene in the form of films and sheets for covering seeds and plants; sound damping and absorbing coverings for walls and ceilings, in the form of architectural acoustic products, thermally bonded cotton batting, panels for use along transportation corridors, decorative display panels composed primarily of non-metal materials; roll coverings of rubber, namely, insulating materials; bark coverings for sound insulation; insulation in the form of floor coverings; insulating floor coverings; flexible pipes, tubes, hoses, and fittings therefor; adhesive tapes, strips, bands and films, namely, plastic, cellulosic and polyurethane films for use in industrial manufacturing