... 2.Appearance:white powder 3.Application:feed, rubber, surface coating. calcined magnesite powderCAS NO: 1309-48-4Appearance: white powderApplication: feed, rubber ... , surface coating, etc.Magnesite oxide is made from Brucite ore. It is odorless, tasteless and non-toxic white powder ... 's requeststock: keep in a clean, dry and ventilated place. calcined magnesite powder