Plastics in extruded form for use in further manufacture; Rubber, unworked and semi-worked; Plastic insulating strips; [ Non-metal weather strips for buildings; ] Synthetic rubber and plastic materials in extruded form for use in production; Insulating materials; Sleeves of rubber for protecting machine parts; Coupling fittings in the nature of non-metal pipe couplings; [ Adhesive sealant strips for general use; ] Shock-absorbing buffers of rubber and plastic materials in sheet for...