东京热av人妻无码,国产在线视频一区二区三区,亚洲av无码一区二区二三区 ,日本人丰满xxxxhd

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

性色av无码一区二区三区人妻| 女の乳搾りです在线观看| 强行扒开双腿猛烈进入免费版| 吸咬奶头狂揉60分钟视频| 一边摸一边抽搐一进一出| av影音先锋| 内射人妻无码色AV麻豆| 女人下边被添全过视频| 成人电影免费看| 国产三级做爰在线播放| 久久久久亚洲AV无码专区喷水| 欧美又大粗又爽又黄大片视频| 在线视频免费观看www动漫| 肉乳床欢无码a片120秒厨房里 | 亚洲啪av永久无码精品放毛片 | 国产精品国产三级在线专区 | 欧美xxxx色视频在线观看| 按摩师与女人| 国产精品久久久久9999| 8AV国产精品爽爽ⅤA在线观看| 国产未成女一区二区三区| 国产午夜无码精品免费看动漫| 亚洲AV日韩AV无码污污网站| 国产性猛交╳xxx乱大交| 一本大道无码人妻精品专区| 中华姓氏起源一览图| 里番本子纯肉侵犯肉全彩无码| 两个体校校草被c出水| 国产精品自在线拍国产| 清纯校花被c得欲仙欲死| 亚洲国产成人精品女人久久久| 怡红院a∨人人爰人人爽| 少妇spa按摩按出水了| 国产精品18久久久久久麻辣| 小太正裸体脱裤子无遮挡| 中文字幕高清免费日韩视频在线| 久久精品国产亚洲AV大全| 日本三级欧美三级人妇视频黑白配| 极品粉嫩小泬白浆20PA片| 人妻熟妇女的欲乱系列| 国产另类ts人妖一区二区|