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    1. 少妇熟女内射一区二区三区_亚洲肥婆一区二区三区_99se亚洲综合在线_日本中文字幕一区二区高清在线

      Welcome to Fujian Yongjing Technology Co., Ltd. the website!

      Contact us

      Add: 18#, Xin'An Road, Shaowu City, Fujian, China
      International Trade Dept.
      Tel: +86-599-6655932/6654968
      Fax: +86-599-6654591
      Home Trade Dept. 
      Tel: +86-599-6654866/6654968
      Fax: +86-599-6655755
      High-purity Chemicals Dept.
      Tel: +86-599-6655536/6654968
      Fax: +86-599-6655755


      Products

      Industrial Hydrofluoride Acid

      Quality StandardGB7744-2008

      Molecular FormulaHF                                 Molecular Weight20.01

      Item

      Index

      I Class

      II Class

      HF-I-40

      HF-I-55

      HF-I-70

      HF-II-30

      HF-II-40

      HF-II-50

      HF-II-55

      Hydrogen fluoride(HF)    w/% ≥

      40.0

      55.0

      70.0

      30.0

      40.0

      50.0

      55.0

      Fluorosilicic Acid(H2SiF6)w/% ≤

      0.05

      2.5

      5.0

      8.0

      10.0

      Non-volatile acid(H2SO4)w/% ≤

      0.05

      0.08

      0.08

      1.0

      1.0

      2.0

      2.0

      Ignition residue w/% ≤

      0.05

      -

      Properties
      The product is a colorless and transparent soluble. It has a strongly pungent odor and a strong toxicity. It is very corrosive.
      Application
      The product is used in chemical industry,metallurgical industry,glass industry,atomic energy industry and mine and petroleum exploiting industry.
      Storage
      The product should be stored in a storehouse with good ventilation.
      Transport
      It should be treated as Grade A inorganic acid corrosive goods during its transport. Avoid heating or getting wet in the rain. Slightly load and unload. Avoid striking.
      Packing
      The product is filled in a polythene plastic drum. Also fill it on consumer requests.

      【Back】

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      少妇熟女内射一区二区三区_亚洲肥婆一区二区三区_99se亚洲综合在线_日本中文字幕一区二区高清在线
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