Rubber, raw or semi-worked; Watering hose; Plastic substances, semi-processed; Rubber bands for commercial and industrial uses; Plastic conduit for plumbing use; Insulating materials; Asbestos boards; Synthetic rubber; Insulating splice covers for electrical cables; Insulating tapes; Dust proofing sealants; Non-metal junctions for pipes; Acoustical insulation barrier panels; Padding materials of rubber; Artificial resins, semi-processed