17 Plastic materials in the form of mouldings for use in packaging; Packing material and packaging of rubber or plastic; adhesive tapes; Plastics in extruded form, including sheets, for use in manufacture and packaging; Packing, stopping and insulating materials; Stuffing of rubber or plastic; Self-adhesive tapes; Plastics panels; Insulating materials and sheets and sleeves, insulating paper and insulating tapes, reflective sheets and panels, heat reflective barriers, vapour control layers, thermal insulating materials, radiant heat barrier systems, coated sheets and vapour barriers; covers, sleeves, box inserts; insulating materials, insulating paper and insulating tape, thermal insulating material, coated sheets, insulating sheets, vapour control layers, radiant heat barrier systems, for use in boxes, packaging and transportation; insulating bags for packaging, packing, stopping and insulating materials, in sheets and rolls; insulating materials included in this class