Property
White diamond or needle crystal, odorless, relative density is 1.788, melting point is 120 ℃. It can be weathered and lose crystal water. Soluble in water, soluble in dilute acid, insoluble in hydrofluoric acid, insoluble in alcohol. The aqueous solution is acidic. The corresponding fluorides and silica can be formed by the reaction with alkali. Toxic.
Application
Used as hardener and waterproof agent of concrete, surface treatment of silica building and ceramic manufacturing.
Specification
| Chemical Composition % | Guarantee |
| MgSiF6·6H2O | 98% min |
| MgSO4 7H2O | 0.5% min |
| H2SiF6 | 0.2% min |
| Moisture | 0.6% min |
| Water Insolubles | 0.4% min |
| Loss on drying | 0.6% min |
Packing: 25KGS compound bag, 1000KGS jumbo bag.

