TARIC 3905.91.00.50 — Aqueous solution consisting by weight of: -10 % or more but not more than 20 % of a copolymer of vinyl pyrrolidone, N,N-dimethylaminopropyl methacrylamide and 3 (methacryloylamino)propyllauryldimethylammonium chloride (CAS RN 306769-73-3), -not more than 1 % preservatives | TariffCodex