Gutta-percha, gum, raw or semi-worked, asbestos, mica, raw or partly processed; plastics in extruded form for use in manufacture; flexible pipes, not of metal; non-metallic flexible pipes; flexible plastic plumbing pipes intended for commercial use; flexible rehabilitation sleeves being insulation sleeves made of plastic composite materials, for use in renovating water and gas pipes; flexible sleeves consisting of several adjacent layers made of plastic, cloth and/or felt impregnated with har...