Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers in primary forms

390512 Poly(vinyl acetate); in aqueous dispersion, in primary forms 390519 Poly(vinyl acetate); (other than in aqueous dispersion), in primary forms 390521 Vinyl acetate copolymers; in aqueous dispersion, in primary forms 390529 Vinyl acetate copolymers; (other than in aqueous dispersion), in primary forms 390530 Poly(vinyl alcohol); whether or not containing unhydrolysed acetate groups 390591 Vinyl acetate, vinyl ester polymers, vinyl polymers; n.e.c. in heading no. 3905, in primary forms, copolymers 390599 Vinyl acetate, vinyl ester polymers, vinyl polymers; n.e.c. in heading no. 3905, in primary forms, other than copolymers