Raw or semi-worked rubber, gutta-percha, raw or partly processed gum, asbestos, mica; goods made from rubber and gum, namely, insulating and acoustical tiles, thermal acoustical tiles, insulating tiles for sealing and damping, insulating and acoustical tile mats, hoses for industrial applications, valves, custom mouldings, sealing gaskets, sealing strips, semi-finished insulating strips, semi-finished crude rubber sections, semi-finished crude rubber shaped parts, insulating coatings, semi-fi...