What is the item description for 3911909960 of HScode France?
The description of the item 3911909960 of France HScode: Polymer and prepolymer plastics produced by chemical synthesis, n.e.s., in primary forms (excl. copolymer of p-cresol and divinylbenzene in the form of a solution in N,N-dimethylacetamide containing by weight >= 50% of polymer and hydrogenated copolymers of vinyltoluene and alfa-methylstyrene) : Copolymer of styrene with maleic anhydride, either partially esterified or completely chemically modified, of an average molecular weight (M n) of not more than 4500, in flake or powder form