Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 02 Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of any product of heading 4001 with any product of this heading, in primary forms or in plates, sheets or strip Commodity Code Description 40 02 11 - - Latex 40 02 19 - - Other 40 02 20 - Butadiene rubber (BR) 40 02 31 - - Isobutene-isoprene (butyl) rubber (IIR) 40 02 39 - - Other 40 02 41 - - Latex 40 02 49 - - Other 40 02 51 - - Latex 40 02 59 - - Other 40 02 60 - Isoprene rubber (IR) 40 02 70 - Ethylene-propylene-non-conjugated diene rubber (EPDM) 40 02 80 - Mixtures of any product of heading 40.01 with any product of this heading 40 02 91 - - Latex 40 02 99 - - Other