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      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

      Electronic Grade Sulphur Hexafluoride

      Quality StandardGB/T 18867-2014

      Molecular FormulaSF6                           Molecular Weight146.05

      Item

      National Standard

      Company Standard

      Sulfur Hexafluoride Purity (SF6) (volume fraction)/ 10-2  ≥

      99.999

      99.9995

      Oxygen+Argon Content (O2+Ar) (volume fraction)/10-6 ≤

      2.0

      1.0

      Nitrogen Content (N2) (volume fraction)/10-6 ≤

      2.0

      2.0

      Tetrafluoromethane (CF4) Content (volume fraction)/10-6 ≤

      1.0

      0.5

      Carbon Monoxide Content (CO) (volume fraction)/10-6  ≤

      0.5

      0.1

      Carbon Dioxide Content (CO2) (volume fraction)/10-6 ≤

      0.5

      0.2

      Methane (CH4) (volume fraction)/10-6  ≤

      0.5

      0

      Moisture (H2O) Content (volume fraction)/10-6  ≤

      3.0

      1.0

      Acidity (Expresses as HF) (mass fraction)/10-6 ≤

      0.1

      0.1

      Hydrolysable Fluorides (Expresses as HF) content (mass fraction)/10-6 ≤

      0.8

      0.3

      Impurities (volume fraction)/10-6 ≤

      10.0

      5.0

      Particles  ≤

      Negotiable

      Negotiable

      Properties
      Sulphur hexafluoride is liquid under normal temperature and pressure. It’s a colorless, odorless, non-toxic and non-corrosive gas. Its melting point is -50℃, boiling point is -63.8℃, and the density is 6.12g/L(20℃ 0.1MPS). It is an excellent electrical insulator.
      Application
      Sulphur hexafluoride is an excellent insert insulating gas widely used in high-voltage electric equipments and ground cables, mainly including electronic equipments, radar, particle accelerator, transformer, lightning arresters, refrigerant etc.
      Storage
      In cool, dry and ventilated warehouse.
      Transport
      With symbols indicated in GB19-73. The coefficient of the filling cylinders should not be higher than 1.33kg/L.
      Packing
      In seamless steel cylinder(40L, 12.5L, 10L, 8L, 4L)(Normally, the pressure is 15MPa, the filling coefficient<1.37kg/L).

      【Back】

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

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          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

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