Product description:
1.Identification:positive reaction.
2.Test: Acidity:PH value 3.5-4.5
3. Claify of solution:according with the demands.
4. Fluorine: 8.9% min
5. Relevent materials: 1.5% max
6. Weight loss on dry : 1.0%max
7. Heavy metals:20ppm max
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