Polymers of ethylene, in primary forms

390110 Ethylene polymers; in primary forms, polyethylene having a specific gravity of less than 0.94 390120 Ethylene polymers; in primary forms, polyethylene having a specific gravity of 0.94 or more 390130 Ethylene polymers; in primary forms, ethylene-vinyl acetate copolymers 390140 Ethylene polymers; in primary forms, ethylene-alpha-olefin copolymers, having a specific gravity of less than 0.94 390190 Ethylene polymers; in primary forms, n.e.c. in heading no. 3901