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Magnesium chloride is an essential ingredient in making grinding wheels and stones (Danish Stones) for grinding rice, foodgrains, pulses in Asian and African countries. In India, two thirds of our production is sold to this segment of the market. Inquiries from soft grinding wheel manufacturers in the UAE and Sudan have been received by us. Magnesium oxychloride cements are the only known cements which actually reduce green house gases. There is sufficient scientific data now to prove that, whereas during mortar mixing of portland cements, millions of tonnes of CO2 is released into the atmosphere, While CO2 is actually absorbed and oxygen is released in the processing of oxychloride cements, thus making it the most eco-friendly cement in the world..
Due to its extreme hygroscopic nature and being environmentally-friendly, it is used in many countries as a dust suppressant or dust binder on dusty roads, unpaved helipads, unpaved car parks, inside mine shafts and tunnels, open-cast iron ore and coal mines or where volcanic dust could pose a problem, in thickly wooded areas where flying dust could spoil trees, by using a solution or MgCl2 6H2O with water. Application is by simple apparatus of a road tankers with a spray booms.
Extensively used for the treatment of Hypomagnesaemia (Grass Tetany or Grass Staggers). Recent research has proved that this condition, mainly in cattle and sheep follows after winter when a herd is turned out to lush spring grass. Hypomagnesaemia is more noticeable in cattle grazing on pastures which have recently received a dressing of nitrogenous or potash fertilizer. By spraying a solution of magnesium chloride on grass or even directly on the animal or mixed into the cattle feed, this condition is prevented and has proved to be extremely beneficial to livestock. Magnesium Chloride being environmentally-friendly, will not damage either grasslands or the cattle.
One of the major uses all over the world is as a de-icing compound. Being completely environmentally-friendly, it is used extensively to keep outdoor surfaces around hotels, private homes as well as roads, etc. free of ice, especially at ski-resorts in Europe, Korea and Japan. The other de-icers which have high sodium content can pollute underground water resources and destroy vegetation.
It is used in industrial floorings, ship decks, flame proof railway coach floorings, hospital floors and for aircraft hangar floors, ammunition factory floors, missile silos and underground armament factories and bunkers. The famous Siegfried Line of WW-II on the border of Germany and France had its entire floor rendering of this cement.
Magnesium Chloride is used in the manufacture of Magnesium Hydroxide Mg(OH)2 for formulation of antacids for relieving stomach ailments and ulcers. From research by well-known French surgeon, Prof. Pierre Delbet, MD, as reported by Dr. Walter Last, who himself claims that "magnesium chloride is nothing short of a miracle mineral in its healing effect on a wide range of diseases as well as in its ability to rejuvenate the ageing body". Prof. Delbet's list includes diseases of the digestive tract such as colitis and gall bladder problems, Parkinson's disease, tremors and muscle cramps, acne, eczema, psoriasis, warts and itching skin, impotence, prostatic hypertrophy, cerebral andcirculatory problems,asthma, hay fever, urticaria and anphylactic reactions. Hair and nails became stronger and healthier, and patients have more energy. In recent years Dr. Vergini and others have confirmed these earlier results and have added more diseases to the list of successful uses, acute asthma attacks, shock, tetanus, herpes zoster, acute and chronic conjunctivitis, optic neuritis, rheumatic diseases, many allergic diseases, chronic fatigue syndrome and beneficial effects in cancer therapy. In all these cases magnesium chloride had been used giving much better results than other magnesium compounds. It is proved that many of the symptoms of Parkinson's disease can be overcome with high magnesium supplementation, shaking can be prevented and rigidity eased.
Adequate levels of magnesium are essential for the heart muscles. It was found that those who die from heart attacks have very low magnesium but high calcium levels in their heart muscles. Patients with coronary heart disease who have been treated with large amounts of magnesium survived better than those with other drug treatment. Magnesium dilates the arteries of the hearts and lowers cholesterol and fat levels.
One of the most important uses of Magnesium Hydroxide today in Europe and America is as a flame retardant in polymers. Recent regulation in the West to ban or curtail the use of halogenated retardants (considered carcinogenic) has increased the demand for Mg(OH)2 retardants, going up to several thousand tonnes per year. Mg (OH)2 withstands up to 340°C and has been used as an effective flame retardant particularly for poly- oleofins. The Asahi Glass company in Tokyo manufacture a range of magnesium hydroxides for flame retardant applications and are potential customers for magnesium chloride. The main suppliers in Europe are Kyowa Chemical Industry (Kagowa) of Japan.
Another major use is in the preparation of oxychloride cements (3MgO MgCl2 11H2O) which are made up in carefully balanced proportions of Magnesium Chloride and a dry mix consisting of calcined magnesium oxide (MgO) or Magnesite, with fillers and other aggregates depending upon the requirement. These cements are fast setting and form a dense stone like product of smooth texture which is very strong, impact resistant, fire retardant and non sparking (antistatic). Magnesium oxychloride Cement (3MgO MgCl2> 11H2>O) is a tough stone-like, fire-proof compound that can be used for light or heavy floorings. Having a tremendous load bearing capacity. It can withstand vibrations from heavy iron wheel movement without any trace of cracks or fissures. It is ideal for coating wooden floors, theatre stages and renovating old lofts. Oil and grease stains can be rubbed off easily without leaving any marks on it. Magnesium chloride is extensively use in making abrasive bricks for fine polishing of stones and tiles.
It is used directly as Magnesium Chloride Hexahydrate as a wetting agent for dressing in the textile industry.
It is used as a fireproofing agent for impregnation of wood, especially mine timbers and specialized particle boards.