Magnesium Carbonate Website
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Magnesium Carbonate
Filler materials may affect the tensility, toughness, or resistivity of primary material. Inorganic carbonate is well-known to dominate the filler market. One of the inorganic carbonates, magnesium carbonate, provides fire retardant and smoke suppressing ability, therefore having the main role as a filler in rubber and any polymer material which needs an improvement property related to fire and smoke prevention. Other than filler, magnesium carbonate is used in the food industry as a stabilizer. We provide magnesium carbonate in different grades, quantities, and packaging for your market and industry solution.


Manufacturing Process
For industrial scale, magnesium carbonate is obtained through mining and manufacturing. The majority of the mining product of magnesium carbonate is in the form of magnesite mineral, while manufacturing needs magnesium bicarbonate which is generated from magnesium hydroxide and carbon dioxide reaction and magnesium carbonate is further vacuum dried to obtain magnesium carbonate.
Besides the extraction of magnesite, magnesium carbonate is obtained from dolomite. Extraction from dolomite is conducted by crushing, roasted, and mixing with seawater to obtain magnesium hydroxide in the extraction process.
After the extraction, the magnesium hydroxide form is modified into a slurry then exposed with carbon dioxide under 3.5 to 5 atm pressure with a temperature below 50° C and will generate magnesium bicarbonate.
Magnesium bicarbonate solution obtained from the carbonation process is then filtered to remove impurities and aerated to yield magnesium carbonate hydrated salt.
Applications

Beauty and Personal Care
Magnesium carbonate controls the pH of cosmetics and has a role as an absorbent.

Food and Beverage
Magnesium carbonate prevents the formation of the lump and stabilizes the flour to enhance its flexibility and miscibility.

Rubber
Magnesium carbonate improves tensile strength and reduces the weight of the rubber.