... 2.Appearance:white powder 3.Application:feed, rubber,surface coatin refractory material fused magnesite 97%CAS NO: 1309-48-4Appearance: white powderApplication: feed, rubber ... , surface coating, etc.Magnesite oxide is made from Brucite ore. It is odorless, tasteless ... : keep in a clean, dry and ventilated place. refractory material fused magnesite 97%