Rubber, gutta-percha, asbestos, mica; plastics in extruded form for use in manufacture; sealing, packing and insulating material; flexible tubes, not of metal; rubber stoppers, namely, rubber bottle stoppers; packing materials of rubber or plastics; plastic sheeting for agricultural use; foils of metal for insulating for use in the medical field; insulating gloves, strips, fabrics or varnishes; semi-processed artificial or synthetic resins; rubber bags for merchandise packaging; glass wool or...