STYRENE BUTADINE RUBBER (SBR) SBR 1500, SBR 1502, SBR 1705, SBR 1712, SBR 1723, SBR 1783 NITRILE BUTADINE RUBBER (NBR) SKN - 18, SKN -18M SKN -26, SKN 26M, SKN -33M POLY-BUTADINE RUBBER (PBR ND) ISOPRENE RUBBER (IR) SKI -3 & SKI 3S HIGH-STYRENE RUBBER (HSR)-1904 BUTYL RUBBER (IIR) BK 1675 N CHLOROBUTYL RUBBER (CIIR) CBK- 139 & CBK- 150 BROMOBUTYL RUBBER (BIIR) BKK-232, BKK -239, BKK -246 THERMOELASTOPLAST RUBBER (SBS) DST-20R- 01, DST-30 RM, DST 45 RM, DST -30 -01