... : feed, rubber, surface coating, etc.Magnesite oxide is made from Brucite ore. It is odorless, tasteless and non-toxic white powder. ... of particle size. 85% magnesium oxide is the most cost effective grade whereas 95% magnesium oxide introduces the lowest unwanted non ... can be found less easy to handle during processiong.Magnesite oxide is widely used in feed, rubber, surface coating, paper making ...