4002: Synthetic rubber

400211: Styrene-butadiene rubber (SBR/XSBR) latex 400219: Styrene-butadiene rubber (SBR/XSBR) except latex 400220: Butadiene rubber (BR) 400231: Isobutene-isoprene (butyl) rubber (IIR) 400239: Halo-isobutene-isoprene rubber (CIIR/BIIR) 400241: Chloroprene (chlorobutadiene) rubber (CR) latex 400249: Chloroprene (chlorobutadiene) rubber (CR) except late 400251: Acrylonitrile-butadiene rubber (NBR), latex 400259: Acrylonitrile-butadiene rubber (NBR) except as latex 400260: Isoprene rubber (IR) 400270: Ethylene-propylene-non-conj diene rubber (EPDM) 400280: Mixtures of natural and synthetic rubbers 400291: Synthetic rubber or factice latex from oils, nes 400299: Synthetic rubber, factice except latex from oils, nes 4002: Synthetic rubber