PremiX® MgO 74 is an additive for extruded and injection molded articles made of chlorinated polymers. This vulcanization activator and acid receptor is based on a high-activity magnesium oxide (MgO) and can be mixed with PremiX® ZnO for a good balance of processing safety and cure rate. PremiX® MgO 74 contains 74% activated magnesium oxide and improves stability, resists scorching, and has a long shelf life.