Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal; acoustic insulation articles and materials; fire resistant and fire preventive articles and materials for insulation and structural purposes; thermal insulation articles and 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 or plastic foam materials in the form of blocks, plates, shells, pipes, or arcs with or without a coating consisting of a plastic foil or metal foil on one or more sides; foamed polymer insulation material having intrinsic properties providing structural integrity.