日韩 一区 在线,色香欲天天影视综合网,性欧美丰满熟妇XXXX性久久久,午夜视频国产在线观看

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

一区二区三区内射美女毛片| 国语A在线看免费观看视频| 久久精品国产亚洲AV蜜臀色欲| 无遮掩60分钟从头啪到尾| 公与2个熄乱理在线播放| 日韩欧美一区二区不卡看片| 国产成人无码午夜视频在线观看| 人人妻人人澡人人爽| 国产欧美一区二区精品性色| 日韩精品少妇一区二区在线看| 久久精品国产99国产精品澳门| 丰满人妻被黑人中出849| 日韩欧美不卡视频| 日韩插啊免费视频在线观看| 人妻精品久久无码区| 老熟女hdxx老小配| 1区2区3区4区产品乱码入口| 1区2区3区4区产品乱码入口| 欧美日韩中文字幕一区二区| 亚洲AV永久无码精品秋霞电影影院| av毛片app| 国产精品麻豆成人AV电影| 1024在线你懂的| 日韩一区二区三区视频| 99爱在线观看免费完整版| 韩国美女一级黄色片| 精品人人妻人人澡人人爽牛牛| 又粗又黄又猛又爽大片app| 少妇特殊按摩高潮惨叫无码| 欧美精品一区二区| 精品国产91久久久久久黄| 国产日韩三级在线播放| 亚洲熟妇无码AV另类VR影视| 男人的天堂在线视频| 国产精品免费无码二区| 国产大片黄在线观看私人影院| 亚洲中国最大AV网站| 日本欧美黄色网站免费| 人人爽人人爽人人爽人人片AV| 久久国产高潮流白浆免费观看| 韩国无码AV片午夜福利|