General properties:
Fine white crystalline powder with a gray or yellow tint, without mechanical impurities. It is produced by the cooperation of hydrofluorosilicic acid with a salt brine, sodium sulfate or sodium carbonate.
Range of application:
It is used in the manufacture of building materials. It is also used for special construction works, in leather industry (as a preservative and for the disinfection of raw materials), as well as in some branches of light industry. As a wood preservative sodium silicofluoride is used in construction industry. Sodium silicofluoride is an important component of construction mixes, such as plaster and concrete. Also, sodium silicofluoride is used in the production of white carbon and for the production of a nontransparent glass industry (glass etching).
Packing: 25 kg bags
Technical features|
Controlled parameters |
Basic requirements |
The actual parameters |
|
Purity/Content of the main substance(Nа2SiF6): |
Minimum 99,0% |
Minimum 99,27% |
|
Content of free acid in terms of HCl: |
Maximum 0,2% |
Maximum 0,081% |
|
Moisture content |
Maximum 0,5% |
Maximum0,25% |
|
Сontent of NаF: |
Maximum 0,5% |
Maximum 0,2% |
|
Conclusion |
According to the requirements |