Zeon Corp. (TYO:4205) recently completed its expansion of production capacity at Mizushima Plant, Kurashiki, Okayama Prefecture, for the Quintac series of styrene isoprene (SIS) thermoplastic elastomers and the Zeonex and Zeonor lines of cyclo-olefin polymer (COP), a high-transparency thermoplastic resin. With the enhancements made to the plant, annual SIS production capacity jumps from 42,000 tons to 60,000 tons, while that...