... exporting, have own brucite mines, Brucite products were used widely Flame retardant, We specialize in brucite manufacture and exporting, We have own ... fire retardancy,it is ideal not-toxic,smokeless,non-polluting flame retardant. Brucite can be usde as the raw material for making ... 2.5%---6% CaO 1.5%---3.5% Size: 0-7mm, 10mm-50mm,80mesh, 120mesh,200mesh,325mesh and so on flame retardant