Semi-processed plastics for use in manufacture and for industry, excluding plastic foam insulation; semi-processed plastics in the form of bars, blocks, pellets, shafts, sheets and tubes for general manufacturing, excluding plastic foam insulation; plastics in the form of sheets, rods and tubes, excluding plastic foam insulation; plastics in extruded form for general industrial use, excluding plastic foam insulation; plates and rods of plastics, excluding plastic foam insulation; goods made of semi-processed plastics, namely, rods, plates, bars, and tubes, excluding plastic foam insulation; semi-processed plastics in the form of sheets, panels, plates, excluding plastic foam insulation; non-metallic flexible pipes, excluding plastic foam insulation; and plastic accessories for non-metallic flexible pipes, namely, sleeves and gaskets, excluding plastic foam insulation

Non-metallic building materials, namely, plastic pipe supports, non-metal pipe collars, and non-metal pipe couplings and joints; non-metallic building materials, namely, rigid non-metallic pipes of plastic, polyethylene and composite used in the building of road and agricultural drainage, used for conveying liquid, gas and biogas, used for the protection of electrical networks, used for the protection of optical fiber and cables, used for the protection of tubes made of cross-linked polyethylene and copper; non-metallic gutter pipes, water pipes, sewer pipes and rigid pipes; non-metallic ventilating, air conditioning and heating ducts; non-metallic tubes and filtering tubes used to prevent storm water runoff pollutants from entering sewer systems; non-metallic polyethylene pipes used in geothermal heating and cooling systems