最近中文字幕免费版在线3,最近2018中文字幕免费视频,波兰女人毛茸茸,相逸臣伊恩塞葡萄184

<pre id="vebyf"></pre><code id="vebyf"><nobr id="vebyf"></nobr></code>
    <th id="vebyf"></th>

    <code id="vebyf"><small id="vebyf"></small></code>
      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

      High Quality Carbon Tetrafluoride

      Quality Standard

      Molecular FormulaCF4               Molecular Weight88.005

      Item

      Index

      Carbon Tetrafluoride (CF4)

      99.999

      Oxygen(O2)  ppmv

      1

      Nitrogen(N2)   ppmv

      4

      Moisture(H2O)     ppmv

      1

      Carbon Dioxide(CO2)    ppmv

      1

      Carbon Monoxide(CO)  ppmv

      0.3

      Acidity Express(as HF) ppm/m

      0.1

      Fluorocarbon   ppmv

      1

      Sulphur hexafluoride(SF6)  ppmv

      1

      Impurities   ppmv

      10

      Properties
      Carbon Tetrafluoride is colorless,odorless,non-combustible and high compressibility gas in normal conditions;high volatility;most stable organic compound;insolubility in water.
      Application
      Carbon Tetrafluoride is one of the largest comsumption kinds of plasma etching gases in microelectronics industry at present,also widely used in surface cleaning of electronic device,production of solar cell,aser technology,gas phase insulation,subzero refrigeration,leakage inspection agent and detergent inprinted circuit production.
      Storage
      In cool,and ventilated storehouse. Temperature should not be higher than 30℃ in storehouse. Keep from fire and heat. Avoid direct sunlight. It should be kept away from inflammable materials.
      Transport
      Level one inorganic sour corrosion substance.
      Packing
      It is filled in seamless steel cylinder and aluminium alloy container. It is normally filled in 47L,40L,10L,8L seamless steel cylinder. The pressure is 12.5MPa. Also can be filled on consumers’ requests.

      【Back】

      Copyright(C)2017,Fujian Yongjing Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice

      <pre id="vebyf"></pre><code id="vebyf"><nobr id="vebyf"></nobr></code>
        <th id="vebyf"></th>

        <code id="vebyf"><small id="vebyf"></small></code>

          最近中文字幕免费版在线3,最近2018中文字幕免费视频,波兰女人毛茸茸,相逸臣伊恩塞葡萄184

          品牌简介

          {转码主词}