Cylinder joinings; Elastomeric expansion and contraction joint seals for use in building, bridges, roadways, parking structures and open-air structures; Electrical insulating rubber products; Non-metal seals for seal ring pipe connections; Packing material for forming seals, namely, seal ring; Padding materials of rubber or plastics; Polyurethane sealants; Rings of rubber for use as pipe connection seals; Rubber bottle stoppers; Sheets of graphite-based material for use as gaskets, seals, pac...