OXI MAG HA is an effective scorch retardant and acts as an acid scavenger, curing agent and heat stabilizer in halogenated polymers like CR ,CIIR ,BIIR,FKM ,CSM CPE - Packing Size: 20 kgs/ 25 kgs. Available Forms: Powder Advantages Oximag HA a high purity active micronized magnesium oxide, has a very low level of chlorides and other volatiles, which does prevent any corrosion problems