Section 07 PLASTICS AND ARTICLES THEREOF; RUBBER AND ARTICLES THEREOF 39 Plastics and articles thereof 39 17 Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flan 39 17 10 39 17 10 00 Commodity Code Description 39 17 10 00 00 - Artificial guts (sausage casings) of hardened protein or of cellulosic materials 39 17 21 00 00 -- Of polymers of ethylene 39 17 22 00 00 -- Of polymers of propylene 39 17 23 00 00 -- Of polymers of vinyl chloride 39 17 29 00 00 -- Of other plastics 39 17 33 00 00 -- Other, not reinforced or otherwise combined with other materials, with fittings 39 17 40 00 00 - Fittings