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Character:In normal temperature, it’s with three hydrates. Light one is white, easily fragile or loose white powder. Odorless.
Relative density is 2.2. Melting point is 350℃. It’s stable in the air. When heated to 700℃, it will become magnesium oxide.
It’s hardly soluble in water, but it’ll bring a slight alkaline reaction.
It can not be soluble in ethanol but it could be soluble in olefine acid with sparkling.
Molecular Formula :xMgCO3·yMg(OH)2·zH2O 4MgCO3·Mg(OH)2·4H2O
CAS NO:39409-82-0
Appearance :This product is a white granular powder, odourless, almost tasteless.
Specification :
Item | Standard | ||
High-Class | First-Class | ||
MgO W/% | 40.0~43.5 | ||
CaO W%/ ≤ | 0.20 | 0.70 | |
HCl insoluble substances W% /≤ | 0.10 | 0.15 | |
Water Content W/%≤ | 2.0 | 3.0 | |
L.O.I W/% | 54-58 | ||
Chloride W/%≤ | 0.10 | ||
Fe W/% ≤ | 0.01 | 0.02 | |
Mn W/% ≤ | 0.004 | 0.004 | |
Sulphate W/%≤ | 0.10 | 0.15 | |
Particle size | 0.15mmW/%≤ | 0.025 | 0.03 |
0.075mmW/%≤ | 1.0 | — | |
Bulk Density(g/ml)≤ | 0.12 | 0.140 | |
Application :
1, Serves as the medicine intermediate, the absorbent, the drying agent, the color fixative, the carrier, the anti knot quick medicinal preparation;
2, Makes the chemical additive, the magnesium element compensation medicinal preparation in food;
Uses in the fine chemical industry producing the chemical reagent;
3, Makes the strengthening agent, the auxiliaries in the rubber;
4, May make the heat insulation, the thermostable fire
protection thermal insulation material;
In electric wire electric cable process of manufacture important chemistry raw material.
5, Makes the high-quality glass products;
6, The enamel ceramics play the superficial luminous role;
7, Manufacture magnesium salt, pigment, paint, everyday use cosmetics, shipbuilding, boiler manufacture.
8, And the athlete competes scratches the hand to use.
Packing: Packed in 25kg plastic woven bag, 25kg kraft-paper bag, or as per the buyer's requirement.
Storage: store in dry, airproof and low temperature condition, and avoid light.
Manufacturing
