| Other: |
Molecular weight ：94.12
Property ：Colorless monoclinic crystal or white crystalline powder.Dehydrated, soluble in water, alkaline in aqueous solution, insoluble in ethanol.
Application ：Used as flux for silver welding and for metallurgical processing
Pack:It is packed in 25kg plastic woven bag or composite kraft paper bag, carton or cardboard bucket.
| ITEM |
GB/T1271-2011 Standard |
| Assay % |
≥99.00 |
| To clarify the experiment |
≤3 |
| Free acid（HF） % |
≤0.05 |
| Free alkali（KOH） |
≤0.05 |
| Chloride(Cl) % |
≤0.002 |
| Iron(Fe) % |
≤0.0005 |
| Sulfate(SO42-) % |
≤0.01 |
| Silicon dioxide（SiO2） |
≤0.05 |
| Heavy Metal(Pb) |
≤0.001 |
|
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