17 Rubber, namely, semi-worked rubber, unprocessed rubber, natural rubber, liquid rubber, synthetic rubber; gutta-percha; gum, raw or partly processed; plastics in extruded form for use in manufacture; seals, namely, seals for pipe connections, rubber seals for cars; sealants, namely, dust proofing sealants, general purpose silicone rubber sealant; fillers, namely, expansion joint fillers; insulation materials and articles, namely, insulating fabrics, insulating coatings, insulating tape; gasket material, namely, rubber, namely, semi-worked rubber, unprocessed rubber, natural rubber, liquid rubber, synthetic rubber; gutta-percha; gum, raw or partly processed for use in gaskets; flexible cables, pipes, tubes and connecting parts, including valves, namely, non-metallic flexible pipes, non-metallic flexible tubes, rubber valves; brake lining materials, partly processed; hose connections for vehicle radiators; soundproofing materials; padding materials of rubber or plastics; non-metallic weatherstripping, namely, for use in automobiles; tire restoration and repair materials, namely, rubber material for recapping tires, rubber for use in the manufacture of tires