Formula: NaF
M. W.: 41.99
Properties: It is a white powder or crystal. Its relative density is 2.558, m. P. 993 and b. P. 1704. It is insoluble in ethanol and has toxic. Its aqueous solution will etch glass.
Application: It is used in welding flux, toothpaste additive, preservative, bactericide, slagging medium of metallurgy, adhesive, papermaking and construction industry.
Storage: Store in seal Hermetically.
Packing: 25 Kg net, pack seal with double plastic bags lined plastic woven sack.
Hazardous details:
UN No.: 1690;
Class: 6.1;
Packing group: III
The main purpose
The coating industry is made of phosphating accelerator, which stabilizes the phosphating liquid, phosphating refinement, and improving the performance of phosphating film. Aluminum and its alloy phosphating damaging, closed a large negative catalysis of Al3 +, phosphating smoothly wood preservative, agricultural pesticides, fungicides, medicine, preservatives, welding flux, alkaline zincate galvanized additive and enamel, paper industry, etc.
| The index name |
Optimal grade |
| Sodium fluoride |
≥ 98% |
| Water insoluble |
≤ 0.7% |
| Sulfate (in SO42+) |
≤ 0.3% |
| Silicon oxide |
≤ 0.5% |
| Sodium carbonate |
≤ 0.5% |
| Acidity (in HF) |
≤ 0.1% |
| The moisture |
≤ 0.5% |
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