| Items |
Unit |
Dental Grade |
NSF Grade |
Industrial Grade |
| Appearance |
|
crystalline powder |
crystalline powder |
crystalline powder |
| NaF |
% ≥ |
99.3 |
99 |
98 |
| SiO2 |
% ≥ |
0.1 |
0.1 |
0.5 |
| SO4 |
% ≤ |
0.03 |
0.01 |
0.3 |
| H2O |
% ≤ |
0.01 |
0.01 |
0.5 |
| Insoluble matter in water |
% ≤ |
0.05 |
0.1 |
0.5 |
| Na2CO3 |
% ≤ |
0.03 |
0.3 |
0.5 |
| Acid (HF) |
% ≤ |
0.01 |
0.1 |
0.1 |
| Fluorosilicate |
% ≤ |
0.1 |
0.1 |
0.6 |
| Fe |
ppm ≤ |
5 |
5 |
5 |
| Cl |
ppm ≤ |
5 |
5 |
5 |
| Heavy meatel(Pb) |
ppm ≤ |
3 |
3 |
3 |
| Appearance of solution |
≤ |
4 |
4 |
4 |
Packed in 25kg,1000kg/bag
CAS No : 7681-49-4
Formula : NaF
1. Sodium fluoride is an important fluoride salt and a raw material for the manufacture of other fluorides.
2, used in agricultural insecticides, has bactericidal effect.
3, as wood preservative, water treatment agent, ceramic pigment, boiling steel manufacturing, light metal fluoride treatment agent, smelting and refining and as a protective layer, used as UF3 adsorbent in the nuclear industry.
4, enamel pharmaceutical industry and paper production and building materials.
5, coating industry for phosphating accelerator
6, ceramic glass and enamel spiritual flux and shading agent
7, leather industry raw skin and skin treatment, adhesive anticorrosion.
Storage condition:
1.Ventilated, dry and cool place, avoid direct sunlight
2.The temperature does not exceed 30 degrees, and the humidity is maintained at 30%-60%
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