Unprocessed and semi-processed natural rubber, gutta-percha, gum, asbestos, and mica; plastics and resins in extruded form for use in manufacture; packing and insulating materials; stopping materials in the nature of packing and stuffing materials of rubber and plastic; flexible pipes, tubes and hoses, not of metal; acoustic insulation materials; fire resistant and fire preventive articles and materials for insulation and structural purposes, namely, blocks, boards, plates, sheets, shells, pipes, arcs, foams, fillers, and beads; thermal insulation materials; insulation for building purposes; insulating materials for technical equipment and technical installations; shock-absorbing materials for insulation and structural purposes; waterproofing and moisture proofing articles and materials; insulation material of plastics materials in the form of blocks, plates, shells, pipes, or arcs; insulation material of plastic foam materials in the form of blocks, plates, shells, pipes, or arcs; insulation material of plastics materials in the form of blocks, plates, shells, pipes, or arcs with a coating consisting of a plastic foil on one or more sides; insulation material of plastics materials in the form of blocks, plates, shells, pipes, or arcs with a coating consisting of a metal foil on one or more sides; insulation material of plastic foam materials in the form of blocks, plates, shells, pipes, or arcs with a coating consisting of a plastic foil on one or more sides; insulation material of plastic foam materials in the form of blocks, plates, shells, pipes, or arcs with a coating consisting of a metal foil on one or more sides; foamed polymer insulation material having intrinsic properties providing structural integrity