... quality, low price , timly delivery Magnesium carbonate lightProduct description:Fine white powder, clean odorless.CAS: 13717-00- ... , glass, toothpaste, rubber, pigment, also as food additive and anti-acid agent in pharmaceutical industry. Specification:Standard: HG/T2959-2000 ItemsStandardAppearanceWhite ... with PE bag, 20kg/bag.6MT/20FCL, 10MT/40FCL. Magnesium carbonate