... exporting, have own brucite mines, Brucite products were used widely Flame retardant, We specialize in brucite manufacture and exporting, We have own ... magnesium metal.Due to its good fire retardancy,it is ideal not-toxic,smokeless,non-polluting flame retardant. Brucite can be usde as ... -7mm, 10mm-50mm,80mesh, 120mesh,200mesh,325mesh and so on flame retardant