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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