欧美超大胆裸体XX视频

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          Welcome to the official website of Changshu Xinhua Chemical Co., Ltd.!

          Changshu Xinhua chemical co., ltd.

          常熟市新華化工有限公司

          Changshu Xinhua chemical co., ltd.

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          · Have a scientific enterprise management system · Is a high-tech enterprise in Jiangsu Province and Changshu Polymer New Material Industry Base

          Sodium Fluoroborate

          Molecular formula: NaBF4
          Molecualr weight: 109.811
          Properties: white or colorless crystal; transparent and right angle prism if anhydrous and without sharp end; not corrosive to glass if absolutely dry; freely soluble in water and slightly in alcohol; melting point: 384°C
          Usage: resin finishing catalyst in textile and printing and dyeing industries; coating, fluorating agent and chemical reagent; flux of non-ferrous metal
          Content: ≥98%
          Impurities:

          SO4

          ≤0.01%

          Fe

          ≤0.05%

          SiO2

          ≤0.3%

          Pb

          ≤0.004%

          Cl

          ≤0.05%

          PO4

          ≤0.01%

          Packing: 25KG plastic woven bag
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          欧美超大胆裸体XX视频

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