Insulating materials, and barrier materials in the nature of acoustical insulating barrier panels, laminated vapor barriers, and weatherizing membranes and vapor barriers; flexible pipes, tubes, hoses and fittings therefor, and valves of rubber or vulcanized fiber, and fittings for rigid pipes, all non-metallic; fabrics made from acrylic for use as insulation; laminated textile insulating fabrics; mineral wool comprised of mineral fibres for use as a building insulator for ceilings; ; insulat...