久久爱综合久久爱久久爱,间谍过家家第二季在线观看免费,国产美女在线精品免费观看网址,欧美+日本+国产+在线观看

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

Fluorine-Nitrogen Gas Mixture

Quality StandardGB/T 26251-2010

Molecular FormulaF2                       Molecular Weight38

Item

Index

F2 content (volume fraction)/ 10-2               

(20)

N2  (volume fraction)/ 10-2                                        

(80)

O2  (volume fraction)/ 10-2                               

≤0.08

CF4  (volume fraction)/ 10-2                                    

≤0.03

HF  (volume fraction)/ 10-2                                        

≤0.50

Properties
Melting point:-218℃, boiling point:-187℃, relative density(moisture=1)1.14(-200℃), soluble in water, relative density(air=1)1.70, saturated vapor pressure(kpa):101.32(-187℃), critical pressure(MPa):5.57
Application
Important material in fine chemical industry;widely used in electronic,laser technique and pharmaceutical industry
Storage
Avoid direct sunlight and keep away from explosive and metal powder
Transport
Be careful and be away from residential quarter
Packing
Steel gas cylinder,and net weight is 40L,or according to requirements

【Back】

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

亚洲精品无码专区久久久| 国产精品亚洲成在人线| 国产国拍精品亚洲av片| 欧美30.40.50熟妇性无码| 人妻含泪握住粗大| 欧美人与劲物XXXXZ0OZ| 国产特级毛片aaaaaa| 99无码熟妇丰满人妻啪啪| 国产盗摄xxxx视频xxxx| 久久久人人人婷婷色东京热| 精品国产亚洲第一区二区三区| 成人做爰a片免费看网站| 免费观看电视剧全集在线播放| 免费国产裸体美女视频全黄| 欧美国产日韩a在线视频| 亚洲人成色在线观看| 日本亚洲洲精品码无无专区| 久久人爽人人爽人人片AV| 国产国产人免费人成免费视频| 国产精品久久久久久岛| 久久亚洲AV无码精品色午夜麻豆| 国产av无码精品色午夜 | 亚洲国产精品久久久久蜜桃网站| 国产精品无码一区二区| 午夜精品一区二区三区在线观看 | 免费又黄又爽又色的视频| 欧美性猛交xxxx富婆| 亚洲日韩精品无码一区二区三区| 国产精品无码不卡一区二区三区| 亚洲国产精品久久久天堂不卡海量| 久久精品夜色噜噜亚洲A∨| 日本伊人精品一区二区三区| 免费a级毛片无码专区| 亚洲熟女色情网中文字幕| 国产偷人爽久久久久久老妇APP | 成人国产一区二区三区精品| 丰满人妻AV无码一区二区三区| 红杏永久免费视频入口| 人妻 校园 激情 另类| 亚洲无MATE20PRO| 国产精品一区二区毛卡片|