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

          Anhydrous Potassium Fluoride

          Molecular formula: KF
          Molecualr weight: 58.10
          Properties: White (cubic) crystal; deliquescent; soluble in hydrofluoric acid and ammonia and slightly in alcohol; melting point 858℃; keep it sealed.
          Usage: Glass engraving, food antiseptic, electroplating, welding flux, insecticide, absorbent of fluorating agent (absorbing moisture of hydrofluoric acid); raw material for Potassium Bifluoride.
          Content: ≥98%
          Impurities:

          Chloride ( Cl )

          ≤0.05%

          Free acid ( HF )

          ≤0.3%

          Free alkali (K2CO3)

          ≤0.2%

          Fluosilicate ( SiO3 )

          ≤0.2%

          Fe

          ≤0.03%

          Moisture ( H2O )

          ≤0.5%

          Package: 25KG plastic woven bag or 50kg fibre drum.
          Caution at transportation: Inorganic toxicant; UN NO.1812; specified number of hazardous goods: 83016; class of risk:6.1
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          欧美超大胆裸体XX视频

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