Mitsui EPTTM (Ethylene-Propylene-Terpolymer) is an EPT(EPDM) brand that is produced by Mitsui Chemicals through its state of the art olefinic polymerization technology. With Mitsui Chemicals' advanced technology, we constantly develop new grades which allow us meet customer demand. Mitsui EPTTM is a material which excels in processability, weather resistance, heat aging resistance, electrical insulation properties, cold resistance, and chemical resistance. These properties are ideal in applications such as (but not limited to) automotive weatherstrips and hoses, building materials, and electrical cables.