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AV色区一区二区三区| 亚洲一区av无码少妇电影| 国产亚洲精品A久久777777| 免费120秒体验试看5次| 熟女少妇丰满一区二区| 欧美精品久久久久a片| 97人妻天天摸天天爽天天| 黄页网站免费频道大全| 国产边打电话边被躁视频| 亚洲精品中字中出无码| 少妇高潮灌满白浆毛片免费看| 性久久久| 国产精品久久久久久久久久免费 | 夜夜爽日日澡人人添| 国产精品夜间视频香蕉| 女人和拘做受全过程免费| 久久久av男人的天堂| 免费av在线观看| 久久久久久AV无码| 国产口爆吞精AV在线播放| 亚洲色偷无码一区二区蜜桃AV| 国产一区二区三区精华液| 99久久人妻精品免费二区| 亚洲一久久久久久久久| 久久精品国产亚洲欧美 | 性XXXFREEXXXX国产| 国产jk精品白丝av在线观看| 亚洲AV无码一区二区乱子伦AS| 免费看韩国黄a片在线观看 | 成人性生交大片免费看r| 99蜜桃臀久久久欧美精品网站| 18禁无遮挡无码国产免费网站| 色偷偷人人澡人人爽人人模| 热RE99久久精品国产66热| 熟女性饥渴一区二区三区| 欧美直播APP| 日本一本免费一区二区| 沧元图动漫全集免费观看高清| 欧洲熟妇色xxxxx欧美老妇伦| 久久人人爽人人爽人人片AV高请| 精品2022露脸国产偷人在视频|