Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 01 Polymers of ethylene, in primary forms 39 01 40 Ethylenealphaolefin copolymers, having a specific gravity of less than 0.94 Commodity Code Description 39 01 40 00 Ethylenealphaolefin copolymers, having a specific gravity of less than 0.94