1) Molecular formula: MgF2
2) Molecular weight: 62.31
3) Property: Magnesium fluoride is white crystalline powder, poorly soluble in water, density is 3.14, melting point is 1263οC.
4) Usage: Mainly used in additive of electrolytic aluminum, manufacture of flux for ceramic glass and magnesium metallurgy, coating of optical instrument lens and light filter, fluorescent material for cathode ray screen, anti-refracting agent and welding agent of optical lens, coating agent of Ti pigment..
5) Technical index: YS/T691-2009
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Mark
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Chemical composition (Mass fraction)/%
|
|
F
|
Mg
|
Ca
|
Sio2
|
Fe3O3
|
SO2- 4
|
H2O
|
|
≥
|
≤
|
|
MF-1
|
60
|
38
|
0.3
|
0.20
|
0.3
|
0.6
|
0.2
|
|
MF-2
|
45
|
28
|
-
|
0.9
|
1.1
|
1.3
|
1.0
|
|
Remark 1: The comparison between measured value or calculated value and regulated limit value shall in compliance with provision in Article 5.2 of GB/T1250-1989,
Remark 2: Any special requirements of the demander should be negotiated by the two parties, and shall mark in the contract.
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