Sales are strong for Zeon Corp.’s (TYO:4205) hydrogenated nitrile rubber (HNBR) Zetpol elastomers with improved heat resistance, which can withstand temperatures 20 degrees Celsius higher than conventional Zetpol products. Along with the increased use of dry products in gasket and oil seal applications, the use of latex products as treating agents for core wires in timing belts is also growing….