久久在这里有精彩视频-激情综合五月婷婷久久-亚洲欧美高清国产精品-亚洲天堂成人在线一区

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)

N (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

国内尹人香蕉综合在线| 亚洲一二三四区免费视频| 日韩熟妇人妻一区二区三区| 激情国产白嫩美女在线观看| 日本高清一道一二三区四五区| 日本久久中文字幕免费| 国产在线不卡中文字幕| 老富婆找帅哥按摩抠逼视频| 国产内射一级二级三级| 国产精品久久熟女吞精| 久久精品色妇熟妇丰满人妻91| 亚洲天堂国产精品久久精品| 东京热男人的天堂一二三区| 国产欧美日韩精品一区二| 欧美日韩一级aa大片| 久久99热成人网不卡| 玩弄人妻少妇一区二区桃花| 日本在线高清精品人妻| 成人免费观看视频免费| 欧美精品激情视频一区| 国产自拍欧美日韩在线观看| 欧美激情区一区二区三区| 91福利视频日本免费看看| 国产亚洲欧美一区二区| 日本男人女人干逼视频| 亚洲精品国产美女久久久99| 日本三区不卡高清更新二区| 国产又粗又猛又黄又爽视频免费| 搡老熟女老女人一区二区| 国产日韩精品欧美综合区| 99久久国产精品亚洲| 粉嫩内射av一区二区| 欧美亚洲综合另类色妞| 中文字幕欧美精品人妻一区 | 亚洲超碰成人天堂涩涩| 婷婷色网视频在线播放| 午夜国产福利在线播放| 欧美美女视频在线免费看| 91精品日本在线视频| 最近日韩在线免费黄片| 日本加勒比中文在线观看|