Mitsui Chemicals Aims to Boost UHMW-PE Production to Meet LiB Separator Demand Jul. 7, 2017 Mitsui Chemicals Inc. (TYO:4183) plans to ramp up production of its ultrahigh molecular weight polyethylene (UHMW-PE) Hi-Zex Million. Demand for…... Please subscribe to read the full story. Subscribe Free Trial