欧美超大胆裸体XX视频

<ruby id="15my5"><option id="15my5"><div id="15my5"></div></option></ruby>
    1. <span id="15my5"><sup id="15my5"><nav id="15my5"></nav></sup></span>

    2. <span id="15my5"><output id="15my5"><b id="15my5"></b></output></span>

      
      
    3. <optgroup id="15my5"></optgroup>

        <strong id="15my5"></strong>

          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.

          WeChat Mobile version

          PRODUCTS

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

          Fluoroboric Acid

          Molecular formula: HBF4
          Molecualr weight: 87.81
          Properties: Colorless and transparent liquid; highly acidic; capable of being mixed with water and alcohol; hydrolyzed in water and decomposed when heated to 130℃; toxic and highly corrosive.
          Usage: Preparation of borofluoride; electrolytic industry; stabilizing agent of heavy nitrogen, dissolvation of sponge titanium and its alloy.
          Content: 40%
          Impurities:

          Chloride(Cl)

          ≤0.02%

          Heavy metals(Pb)

          ≤0.01%

          Sulfate radical(SO4)

          ≤0.03%

          Iron(Fe)

          ≤0.01%

          Dissociate boron(H3BO3)

          ≤2%

          Dissociate(HF)

          ≤2%

          Packing: 25KG plastic drum , 250KG plastic drum
          Caution at transportation: inorganic acid corrosive article of Grade II; UN code: 1775; specifed number of hazardous goods: 93010; class of risk: 8.
          【BACK】

          E-mail Login

          I.D.: @csxhchem.com P.W.:

          GO
          TOP

          欧美超大胆裸体XX视频

          <ruby id="15my5"><option id="15my5"><div id="15my5"></div></option></ruby>
          1. <span id="15my5"><sup id="15my5"><nav id="15my5"></nav></sup></span>

          2. <span id="15my5"><output id="15my5"><b id="15my5"></b></output></span>

            
            
          3. <optgroup id="15my5"></optgroup>

              <strong id="15my5"></strong>