Section 07 PLASTICS AND ARTICLES THEREOF; RUBBER AND ARTICLES THEREOF 40 RUBBER AND ARTICLES THEREOF 40 02 WITH ANY PRODUCT OF THIS HEADING, IN PRIMARY FORMS OR IN PLATES, SHEETS 40 02 39 OTHER HALO-ISOBUTENE-ISOPRENE RUBBER(CIIR OR BIIR) Commodity Code Description 40 02 39 00 OTHER HALO-ISOBUTENE-ISOPRENE RUBBER(CIIR OR BIIR)