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Another major use is in the preparation of Oxychloride
Cement (3MgO MgCl2 11H2 O) 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 extremely strong, impact resistant, fire retardant
and non sparking (antistatic) therefore:
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It is used in industrial floorings,
ship decks, railway passenger 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. |
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It is used in the manufacturing of Abrasive Bricks
for polishing of marble, granite and other stones which
are becoming increasingly popular in the building industry
today.
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In the developing countries, as well as all other
grain, pulses, and rice eating nations, Oxychloride
Cement is used in the manufacture of soft grinding wheels
( Danish Stones ). In India, one third of our production
is sold to this segment of the market. Inquiries from
soft grinding wheel manufacturers in the U.A.E. and
Sudan have been received by us.
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Magnesium Chloride is used in the manufacture of Magnesium
Hydroxide Mg(OH) 2 for further preparation of Antacids
for relieving stomach problems and ulcers. It is also
used for alimentation.
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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 340oC and has been used as an effective flame retardant
particularly for polyolefines. The Asahi Glass company
in Tokyo manufactures a range of Magnesium Hydroxide for
flame retardant applications and are potential customers
for Magnesium Chloride. The main suppliers in Europe are
Kyowa Chemical Industry (Kagowa) of Japan. |
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