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

jizz国产精品网站| 中文字幕被公侵犯的漂亮人妻| 日韩精品无码一区二区三区免费| 无套内谢少妇毛片a片免费| 欧美xxxx18性欧美| 久久久综合香蕉尹人综合网| 国产成人无码AV片在线观看| 欧美成人精精品一区二区三区| 久久久久亚洲AV成人人电影| 国精产品一区二区三区糖心| 男女啪啪做爰高潮免费网站 | 日韩精品无码一本二本三本| 亚洲色精品三区二区一区| 久久人人爽人人爽人人片| 精品少妇人妻AV免费久久洗澡| 精品久久久久久亚洲中文字幕| 亚洲精品无码专区久久久| 亚洲精品无码久久久久| 性色AV一区二区三区咪爱四虎| 夜夜爽妓女8888视频免费观看| 在线视频免费观看www动漫| AAA少妇高潮大片免费看| 免费无码中文字幕A级毛片HD| 午夜不卡久久精品无码免费| 搡老熟女多毛丰满国产精品| 欧美精品久久久久久A片戏梦巴黎| 丰满人妻熟妇乱又伦精品软件| 国产一区二区精品久久岳| 日韩精品一区二区三区四区蜜桃| 色欲久久久天天天综合网| 国产成人综合欧美精品久久| CHINESE国产XXXX实拍| 欧美真人性做爰全过程| 成人性做爰AAA片免费看| 一区二区三区在线 | 欧| 国产精品一区二区久久乐下载| 免费人成视频在线观看| 欧美三级乱人伦电影| 久久久久欧美精品| 国产精品AV| 欧美大尺寸SUV|