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, flanges), of plastics. 39 17 22 Of polymers of propylene 39 17 22 00 Of polymers of propylene Commodity Code Description 39 17 22 00 000 Of polymers of propylene