Plastics in extruded form for use in manufacture; plastics (solid or foamed); rubber, gum and goods made from these materials and not included in other classes; packing, stopping and insulating materials; flexible hoses not made of metal; wear resistant coverings and layers; sub ballast mats made out of elastomeric materials; non-conducting materials for heat retention; thermal insulating materials; soundproofing materials and compounds; materials, in particular sheets, strips, molded parts and compounds for elastic bearing, for vibration damping and shock absorbing