TARIC 3208.20.10.50 — Copolymer of vinylcaprolactam and vinylpyrrolidone (CAS RN 51987-20-3) in the form of a solution in 2-butoxyethanol (CAS RN 111-76-2) containing by weight 45 % or more but not more than 58 % of copolymer | TariffCodex