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)

N (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

国产AV国片偷人妻麻豆| 国产精品免费a v片在线观看| 中文人妻av久久人妻水| 中文字幕AV人妻一区二区| 亚洲乱码爆乳精品成人毛片| 国产人妻大战黑人20P| 精品一线二线三线区别在哪| 性色AV浪潮AV色欲AV一区| 国产成人精品综合久久久| 国产精品99久久久久久WWW | 18禁无遮挡无码国产免费网站| 女人国产香蕉久久精品| 地瓜视频app免费观看下载| 玉蒲团夜宵魂免费观看| 日本无码小泬粉嫩精品图| 泰国美女68283精品人体| 成全视频在线观看免费看| 亚洲综合无码一区二区| 久久久久99精品成人片| 久久久久无码精品国产AV蜜桃1| 久久av高潮av无码av| 啦啦啦中文免费视频高清观看| 久久久久亚洲av无码观看| 中文字幕无码他人妻味| 亚洲精品国产摄像头| 欧美一区二区三区爽大粗| 亚洲一区二区三区av| 久久久久国产精品嫩草影院欧洲 | 国产成人久久AV免费看澳门| 国产精品无码AV片在线观看播| 国产婷婷一区二区三区| 亚洲无MATE20PRO| 欧美性XXXXX极品| 欧美日韩国产成人高清视频| 777午夜精品久久AV蜜桃| 可以免费看美女隐私的app| 苍井空一区二区波多野结衣av| 蜜芽VA亚洲VA欧美VA天堂| 日日碰狠狠躁久久躁| 久久亚洲精品中文字幕无码| 欧美一区二区三区激情|