Product details
Magnesium Fluorosilicate
CAS No.: 12449-55-7
Synonyms: Magnesium fluorsilicate hexahydrate;
Formula: F6MgSi
Exact Mass: 165.95200
Molecular Weight: 166.38100
Properties:
Appearance & Physical State: Crystalline solid
Density: 1.788
Melting Point: 120ºC
It is colorless or white rhombus or acerose, odorless crystal. D1.788. It is not easily deliquescence, but effloresce to lose crystal water. It is easily soluble in water, soluble in dilute acid, hardly soluble in hydrofluoric acid, insoluble in alcohol, its aqueous solution appears acidity. It reacts with alkali to form corresponding fluoride an silicon dioxide.
Uses:
Additive for hardening and waterproofing of concrete mortar, plaster cement, stucco and brick surfaces. Polishing agent for terraces. Wood preserving. Ceramincs.
| Items |
Standards |
|
Appearance |
White, Free Flowing, not lumpy |
|
MgSiF6.6H2O (w/w) |
98.5% (min) |
|
MgSO4.7H2O (w/w)
|
0.5% (max) |
| MgF2 (w/w) |
0.1% (max) |
| SiO2 (w/w) |
0.1% (max) |
| Iron(as Fe),as is basis |
500ppm (max) |
| Moisture (w/w) |
0.6% (max) |
| Water Insoluble Matter (w/w) |
0.2% (max) |
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