Magnesium carbonate directory u2606 magnesium carbonate manufacturers, suppliers u2606 magnesium carbonate buyers, importers, wholesalers, distributors ... glass, gym. magnesium carbonate powder is high purity and good quality, with good service, widely used in food and pharmaceutical additives, rubber and plastic, oil additive, coating, fire ... There are 135 magnesium carbonate glass grade suppliers, mainly located in asia. the top supplying countries or regions are united states, china, which supply 14%, 82% of magnesium carbonate glass grade respectively. magnesium carbonate glass grade products are most popular in united states, canada, and united kingdom. A wide variety of magnesium carbonate light options are available to you, such as food grade, industrial grade, and agriculture grade. you can also choose from magnesium carbonate, sodium carbonate, and calcium carbonate. as well as from free samples. there are 839 magnesium carbonate light suppliers, mainly located in asia. Mill creek supplies the glass industry with a line of uniform composition, ultra high purity, and low decrepitation glass grade products. our glass grade dolomite is a high purity source of calcium and magnesium oxides for float glass, container glass, tableware flint, and glass fibers.