4002: Synthetic rubber & factice from oil; mx prod of hd 40.01 w prod of th

400211: Styren-butadien rubber(SBR)/carboxyltd styren-butadien rbr(XSBR) late 400219: Styren-butadien rubber(SBR)/carboxyltd styren-butadien rubbr(XSBR) ne 400220: Butadiene rubber (BR) 400231: Isobutene-isoprene (butyl) rubber (IIR) 400239: Halo-isobutene-isoprene rubber (CIIR or BIIR) 400241: Chloroprene (chlorobutadiene) rubber (CR), latex 400249: Chloroprene (chlorobutadiene) rubber (CR) nes 400251: Acrylonitrile-butadiene rubber (NBR), latex 400259: Acrylonitrile-butadiene rubber (NBR) nes 400260: Isoprene rubber (IR) 400270: Ethylene-propylene-non-conjugated diene rubber (EPDM) 400280: Mixtures of any product of headg No 40.01 w any product of this headg 400291: Synthetic rubber and factice derived from oils, etc, latex 400299: Synthetic rubber and factice derived from oils, etc, nes 4002: Synthetic rubber & factice from oil; mx prod of hd 40.01 w prod of th