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Magnesium oxide for magnetic materials

发表时间:2020-04-10

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Caustic Calcined Magnesiteis also known as magnesium oxide, bitter earth powder and light burned magnesium powder. Its main component is magnesium oxide. With natural magnesite as the main raw material, calcined at 750-1100 temperature is called "light burn", and its product is called light burnt magnesium oxide. Since the reduction of magnesite is generally about 50%, the MgO content in the ore can be almost doubled by light burn. In this sense, light burn is a very effective means of MgO enrichment. The chemical formula of MgO is MgO, which is insoluble in ethanol. The relative density (d254) was 3.58. Melting point 2852 ℃. Boiling point 3600 ℃. Odorless, tasteless, nontoxic white amorphous powder, insoluble in water, insoluble in alcohol, soluble in acid or ammonium salt solution, the solubility in water increases with the increase of carbon dioxide content in water.


Our company is 41% - 47% content of magnesite ore calcined at 1000 ℃ for 50 minutes in a light firing reverberatory kiln.


 

Application of caustic calcined magensite


Light burnt magnesite is mainly used for fire prevention, feed, fertilizer, well cover, heat preservation board, art fence, magnesium sulfate, door core board, composite heat preservation board, firecracker fixing agent, chicken house, inorganic glass, magnesite tile, grinding wheel mold, artificial marble, power plant boiler flue gas desulfurization, sewage treatment, ventilation pipe, light partition board, vegetable shed frame, building materials grinding tool, ceramic brick bottom powder Ideal raw materials for steelmaking slag, papermaking, biogas tank and other products.


Light burned magnesium oxide can be used to make cementitious materials. For example, building materials containing magnesium cement, heat insulation and sound insulation can also be used as ceramic raw materials. After chemical treatment of light burned magnesium, it can be made into a variety of magnesium salts, which can be used as raw materials for medicine, rubber, artificial fiber, paper making and other aspects.

Specification of Caustic calcined magnesite,

MgO %

SiO2 %

CaO %

Fe2O3 %

Al2O3 %

Loi %

80.40

8.02

2.80

0.74

0.16

7.88

85.78

4.85

2.34

0.58

0.12

6.33

90.57

2.77

2.80

0.54

0.17

3.15

92.41

1.90

1.79

0.44

0.12

3.34

93.19

1.88

2.29

0.56

0.19

1.89

94.59

1.27

1.58

0.52

0.17

1.89

95.41

1.29

1.40

0.34

0.07

1.49

96.32

1.24

1.27

0.36

0.10

0.71

Note: the particle size and specification can be customized according to the customer's requirements.

 

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