Resin or resin based building materials and other building materials including panels, sheets, ducts, planks and building boards,

Gutta percha, indiarubber, balata and substitutes, articles made from these substances and not included in other classes; materials for packing, stopping or insulating; asbestos, mica, and their products; hose pipes (non-metallic), plastics and synthetic resins in the form of sheets, blocks, tubes and rods,

Polyester resins,