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 31 Other 39 17 31 90 Other Commodity Code Description 39 17 31 90 00 -- Flexible tubes, pipes and hoses, having a minimum burst pressure of 27.6 MPa