Packing, stopping and insulating materials; Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; Plastics and resins in extruded form for use in manufacture; Flexible pipes, tubes and hoses, not of metal; Insulation and barrier articles and materials; Thermal insulation articles and materials; Electrical insulation articles and materials; Acoustic insulation articles and materials; Insulation materials of plastics; Fabrics for insulation; Fabrics made from polyester for use as insulation; Fiberglass fabrics for insulation; Fiberglass insulation materials for buildings; Glass fiber insulation materials for use in construction; Vulcanized fiber for use in the manufacture of building insulation materials; Vulcanized fiber for use in the manufacture of electrical insulation materials; Foam insulation materials for use in building and construction