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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          PRODUCTS

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

          Ammonium Fluoroborate

          Molecular formula: NH4BF4
          Molecualr weight: 104.86
          Properties: Easily dissolved in water, solution reacts acidity characteristics, erosive toward to glass, insoluble in alcohol and etnanol, decomposed at 100℃,evaporates under over heating, toxic chemicals.
          Usage: Welding flux of various metals like aluminum, copper, etc, antioxidant for magnesium case, retardant, pesticide, resin bonder, dye catalyst and analysis reagent.
          Packing: in 300 1b fiberboard drum with polyliner, palletized & shrink wrapped, blocked and braced, Kept in cool ventilated and dry place, protected from heat and water.
          Impurities:

          Assay

          ≥98%

          Iron(Fe)

          ≤0.03%

          Lead(Pb)

          ≤0.001%

          Chloride(Cl)

          ≤0.005%

          Moisture (H2O)

          ≤0.2%

          Sulfate ( SO4 )

          ≤0.01%

          Tricalcium phosphate(for anti-caking): 0.75-2.0%
          Mesh: 60(approx)
          Package: 25kg composite bag
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          I.D.: @csxhchem.com P.W.:

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          欧美超大胆裸体XX视频

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