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

CF (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

久久伊人色AV天堂九九小黄鸭| 亚洲精品国产AV天美传媒| 亚洲日韩av无码一区二区三区人| 色欲久久久天天天综合网精品| 亚洲暴爽AV天天爽日日碰| a级国产乱理伦片在线观看| 久久免费人成网站福利院| 亚洲色大成网站www永久| 少妇久久久久久久久久| 美女视频黄是免费| 蜜桃av噜噜一区二区三区视频| 国产一区二区三精品久久久无广告 | 国产色视频一区二区三区| 久久AV色欲AV久久蜜桃麻豆| 国产亚洲日产| 国产欧美精品123区发布| 国产精品视频人人做人人爽| 亚洲综合欧美色五月俺也去| 99久久亚洲精品无码毛片| 在线观看国产一区二区三区| 亚洲小鲜肉与欧美猛男的区别| 国产CHINESE白嫩小受GV| 香蕉久久一区二区不卡无毒影院| 无码国产精品久久一区免费| 天天影视色香欲综合久久| 日本天狼无码久久久久影院| 9277在线观看免费播放| 久久99热久久99精品| 亚洲综合色视频在线观看| 99久久久精品免费观看国产| 卡一卡2卡3卡精品网站| 大屁股熟女一区二区三区| 亚洲日韩精品av成人波多野| 久久久久亚洲精品无码网址色欲| 欧美男男gaygay巨大粗长肥| 大学生疯狂高潮呻吟免费视频 | 三a级做爰片免费观看| 色欲久久综合亚洲精品蜜桃| 精品免费AV一区二区三区| 国产欧美日韩丝袜高跟鞋| 中文字幕久久熟女蜜桃|