中文无码精品一区二区三区,欧美亚洲777奇米四色,72人少妇精品导航,777熟女色

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

新番里h肉3d动漫在线观看网站| 夜夜操熟女| 免费激情黄色片| 青草福视频| 久久精品av一区二区免费| 三级黄,亚洲最大色视频| 午夜一区二区亚洲福利vr| 久久久久久精品影院妓女| 伊人久久精品一区二区三区| 久章草在线免费视频播放 | 超碰青青青| 国产精品资源网在线观看| 国产乱视频在线观看| 三年中文在线观看免费高清第3季| 亚洲国产果冻传媒av在线观看| av一级免费观看| 欧美性猛交xxxx富婆| 超碰成人91| 人妻激情综合久久久久久久| 精品国产理论一区二区电影| 污片网站在线看| 91污污污视频在线观看| 欧洲美熟女乱又伦| 青春草在线视频免费观看| 九哥操比网| 国产精品成人影院久久久| 自拍偷拍亚洲综合第一页| 免费一级播放| 黑色丝袜美腿娇妻被狂躁长篇| 欧美黄色小说网站| 日韩 欧美 亚洲 高清| 日韩一级精品一区二区三区| 大战丰满人妻Bww| 亚洲国产精品成人女人久久| 精品亚洲456在线播放| 国产人妻宾馆与情人在线| 午夜夜伦鲁鲁片免费无码| 神马午夜福利一区二区三| 婷婷丁香婷婷| 久久久久成人片免费观看| 久久综合九色综合99网|