亚洲夂夂婷婷色拍WW47,性做久久久久久免费观看,夜夜高潮夜夜爽夜夜爱爱,精品亚洲欧美无人区乱码

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 FormulaF                      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

亚洲中文久久精品无码ww16| 久久久无码精品亚洲日韩蜜臀浪潮| 亚洲国产精品美女久久久久av | 国产精品久久久久精品A级| 又粗又硬又大又爽免费视频播放| 国产女主播喷水视频在线观看| 国产av精品一区二区三| 亚洲av第一成肉网| 日韩一区二区三区精品无码视频| 国产精品三级一区二区| 人妻出轨系列38部分阅读| 国产猛男gaygayxxgv| 国产又爽又黄无码无遮挡在线观看| 亚洲av永久无码精品| 日本久久久久久久做爰片日本| 又爽又色禁片1000视频免费看| 亚洲啪av永久无码精品放毛片| 最好免费高清视频在线观看| 无人视频在线观看完整版高清中文| 国产精品 精品国内自产拍| 亚洲AV永久无码老湿机| 我的世界珍妮视频完整版在线观看 | 欧美性潮喷xxxxx免费视频看| 艳妇荡女欲乱a片在线观看| 又爽又高潮日本少妇a片| 精品一区高潮喷吹在线播放| 国产精品无圣光一区二区| 精品少妇高潮蜜臀涩涩av | 老司机精品视频| 亚洲色偷精品一区二区三区| 久久精品国产一区二区三区不卡| 西西里的美丽传说在线观看| √天堂中文官网8在线| 麻豆乱码国产一区二区三区| 妓女爽爽爽爽爽妓女8888| 国产亚洲日韩一区二区三区| 人妻少妇被猛烈进入中文字幕| 精品国产一区二区三区色欲| 亚洲人成绝费网站色WWW| 欧美一区二区三区久久综 | 久久夜色精品国产欧美乱 |