17 Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; acrylic rubber, chlorinated rubber, crude rubber, foam rubber, hydrochlorinated rubber, latex concentrate, latex rubber, other latex (rubber), liquid rubber, natural rubber, natural rubber latex concentrate; polysulfide rubber, raw or semi-worked rubber, nitrile rubber, reclaimed rubber, silicone rubber, synthetic rubber, uncured synthetic rubber, vulcanite (ebonite); plastics and resins in extruded form for use in manufacture, artificial resins (semi-finished products); packing, stopping and insulating materials, insulating varnish, padding materials of rubber or plastics, rubber stoppers, shock absorbing buffers of rubber, rubber sleeves for protecting parts of machines, stuffing of rubber or plastic, washers of rubber or vulcanized fiber; flexible pipes, tubes and hoses (not of metal), connecting hose for vehicle radiators; expansion joint fillers