... also callednatural magnesium hydroxide,shows itself white or white gray color flame retardant, refractory brucite is also callednatural magnesium hydroxide,shows ... fire retardancy,it is ideal not-toxic,smokeless,non-polluting flame retardant. Brucite can be usde as the raw material ... toxic,smokeless, non-polluting and adding in high temperature flame retardant.Brucite can be used as the raw material for ...