Magnesium Hexafluorosilicate usages for concrete hsrdener

MgSiF6(Magnesium silicofluoride) improve hardness and strength of concrete
Magnesium silicofluoride(cas 12449-55-7) basic information:
Name: Magnesium silicofluoride
Other Name: Six fluoride magnesium silicate
Purity: 98.5%
Formula: MgSiF6
M. W: 274.48
CAS NO.: 12449-55-7
HS CODE: 282690009007
Magnesium silicofluoride(cas 12449-55-7) Physical and Chemical Properties:
1. Appearance: White rhombus or acicular crystal, odorless.
2. Relative density: 1.788
3. Not easy deliquescence, but may lose crystallize water by efflorescence.
4. More than 80 degrees decomposition completely, release silicon tetrafluoride gas
5. Soluble in water, thin acid, insoluble alcohol thin soluble in silicofluoride
6. Its water solution appears acidity it can produce fluoride and silicon dioxide with alkali, poisonous.
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Magnesium silicofluoride(cas 12449-55-7) Packing:
In a plastic Bag inner layer and a woven bag as external layer, 25kg per bag, or according to the buyer's requirement. Suitable for long distance transportation