17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
silicone compounds, and solid and cellular sheets and extrusions for gasketing, sealing, barrier, electrical insulation, thermal insulation, vibration absorption, sound absorption, sound blocking, food contact, pressure distribution, impact absorption, gas transfer, and liquid transfer; materials for use in gaskets, seals, membranes, hoses, tubes, belts, blankets, electrical insulation, press pads, vacuum bags, calendering, extruding, and molding; materials for providing thermal, insulation, and chemical resistance at extreme high and low temperatures and environmental stability