Dihydrate compound :
Molecular formula : CaSiF6.2H2O
Molecular weight : 218.19
Anhydrous compound :
Molecular formula : CaSiF6
Molecular weight : 182.16
Property: White square crystal, odorless, flavorless, relative density:2.622; soluble in water, fluosilicic acid, hydrochloric acid, ethanol.
Use: Preservative in wood industry, hardener in concrete, opaliger in glass and porcelain enamel. Produce silicon tetrafluoride and calcium fluoride.
Product quality : Company standard
|
Index name |
Dihydrate calcium fluorosilicate |
Anhydrous calcium fluorosilicate |
| Content of calcium fluorosilicate (base on dry basis) , % ≥ |
98.0-102.0 |
98.0 |
| Content of insoluble substance in water , % ≤ |
0.50 |
1.0 |
| Iron (Fe), % ≤ |
0.02 |
0.04 |
| Content of heavy metal (base on Pb), % ≤ |
0.02 |
0.05 |
| Content of free acid , % ≤ |
0.1 |
0.15 |
| Drying loss at 105°C, % ≤ |
1.0 |
1.5 |
| Fineness passed 250/μm test sieve, % ≥ |
90 |
90 |
| Appearance |
White crystalline powder |
Casing : Plastic knitted bag with vinyon liner. 50kg per bag.
Click here to safety data |
