Sodium fluorosilicate
[Quality standard]:qualified with the standard [GB23936-2009].
Item Standard values(%) Test result
Appearance White powder White powder
Sodium fluorosilicate (Na2SiF6) ≥99 99.0
Loss of weight on drying at 105℃ ≤0.30 0.30
Free acid (as HCL) ≤0.10 0.047
Chlorides(CL) ≤0.15 0.11
Water-insolubles ≤0.4 0.017
Sulfate (SO4) ≤0.25 0.23
Fe ≤0.02 0.02
H2O ≤0.4 0.18
Grain size passing through 250µm sieve ≥90 99.4[Application]Milky agent and fusing agent for glass and enamel; preserving agent for wood; agricultural insecticide ; hygroscopic agent for acid-resisting cement; coagulation accelerator in natural emulsion products. Additive in electroplating zinc , nickel and iron in three floors; stuffing agent in plastics; pharmacy, fluorating treatment for drinking water and for man-made crystals and Sodium Fluoride. [Packing]: polyethylene weaving inner lined with plastic bag，flexible freight bag，Valve mouth bag. Net weight is 25kg or 1000kg.As per customer’s required.
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Sodium fluorosilicate |
[Quality standard]:qualified with the standard [GB23936-2009].
Item Standard values(%) Test result
Appearance White powder White powder
Sodium fluo... |
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sodium fluoride |
[Quality standard]qualified with the standard [GB4293-84] excellent grade.
Index item Standard content（%） Test result
Sodium fluoride（NaF） ≥98... |
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Sodium fluoride |
[Quality standard]qualified with the standard [GB4293-84] excellent grade.
Index item Standard content（%） Test result
Sodium fluoride（NaF） ≥98 9... |
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ammonium bifluoride |
[Quality standard]:
Index Name High class Grade Grade
Ammonium Bifluoride (NH4HF2) ≥ 97.0 95.0
Dry Loss ≤ 3.0 5.0
Residue on Ignition ≤ 0.2 0.2
S... |
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sodium fluorosilicate |
Quality standard]:qualified with the standard [GB23936-2009].
Item Standard values(%) Test result
Appearance White powder White powder
Sodium fl... |
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