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 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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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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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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氟硅酸钠 |
产品质量标准】：符合国标（GB23936-2009）一级品指标要求。
指标项目 标准值(%) 实测值
外观 白色粉末 白色粉末
氟硅酸钠 (Na2SiF6) ≥99 99.0
105℃干燥失重 ≤0.30 0.30
游离酸 (as HCL) ≤0.10 0.047
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氟化钠 |
【产品质量标准】：符合国标（GB4293-84）一级品指标要求。
指标项目 国标含量（%） 实测值（%）
氟化钠含量（NaF） ≥98 98.76
二氧化硅含量（SiO2） ≤0.5 0.45
硫酸盐含量（SO4） ≤0.3 0.05
酸度含量（HF） ≤0.... |
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