[ Rings of rubber for use as pipe connection seals; ] non-metal weather strips for buildings; caulking materials; synthetic rubber for mending leakage; pipe gaskets; seal gaskets FOR PIPES; joint packing FOR gas pipes; non-metal seals for doors and windows, curtain wall and prefabricated building; rubber sealer FOR AUTOMOTIVE USE, PLUMBING, doors and windows, curtain wall and insulating glass; industrial POLYURETHANE sealants, Industrial silicone sealants, and Industrial modified silicone ...