perfessional factory for magnesium carbonate, good quality, low price , timly delivery Magnesium carbonate lightProduct description:Fine white powder, clean odorless.CAS: 13717-00-5 Application:fireproof, paint, ink, pottery, glass, toothpaste, rubber, pigment, also as food additive and anti-acid agent in pharmaceutical industry. Specification:Standard: HG/T2959-2000 ItemsStandardAppearanceWhite ...