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

          Fluozirconic Acid

          Molecular formula: H2ZrF6
          Molecualr weight: 207
          Properties: Colorless transparent liquid; precipitate crystal of fluozorconic acid under ordinary temperature when its concentration is over 42%;poisonous
          Content: 45%
          Impurities:

          Dissociate acid (HF)

          ≤0.5%

          Iron (Fe)

          ≤0.05%

          Aluminum (AI)

          ≤0.02%

          Arsenic (As)

          ≤0.005%

          Copper (Cu)

          ≤0.005%

          Nickel (Ni)

          ≤0.005%

          Chromium (Cr)

          ≤0.005%

          Heavy metals (Pb)

          ≤0.005%

          Chloride (Cl)

          ≤0.02%

          Calcium (Ca)

          ≤0.002%

          Sulfate (SO4)

          ≤0.03%

          Natrium (Na)

          ≤0.05%

          Magnesium (Mg)

          ≤0.01%

          Phosphate (PO4)

          ≤0.005%

          Usage: In manufacture of optical glass and fluozirconic
          Packing: 25kg plastic drum or 250kg plastic drum
          Caution at transportation: inorganic poison goods; class of risk 8; UN code:3264
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          欧美超大胆裸体XX视频

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