
US Hs Tariff Code of Chapter 39 Plastics Articles Polymers
US Hs Code - 3917 : Tubes, pipes and hoses, and fittings therefor ( for example, joints, elbows, flanges ), of plastics . 391710: Artificial guts "sausage casings" of hardened protein or cellulose materials : 391721: Rigid tubes, pipes and hoses, and fittings therefor, of polymers of ethylene: 391722: Rigid tubes, pipes and hoses of polymers of propylene, whether or not with fittings, …