无码精品人妻一区二区三区,激情综合五月天开心久久,在线 日韩 一区 二区,久久精品不卡一区二区三区

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

国产精品国产三级国产在线| 91刘亦菲精品福利在线| 成人黄网在线观看不卡高清| 精品一区二区三区四区a| 在线免费观看国产污视频| 天天爽夜夜爽精品视频一| 国产一区二区三区bb片| 亚洲 另类 中文 日韩| 奇米影视第四色在线观看| 国产精品成人无码久久久| ccyy草草影院在线观看| 亚洲系列国产精品东京热| 丰满人妻一区二区三区免费| caopeng在线观看| 白丝袜被弄高潮在线观看| 九九在线视频精品免费播放| 亚洲精品毛片久久久久久久| 亚洲伊人影院亚洲伊人网| 亚洲a∨一区二区三区性色| 88久久久久国产综合女同| 日本小泽玛利亚在线观看| 日本精品久久久久久中文| 性感小骚货在线吃大鸡巴| 国产精品久久毛片| 国产综合精品99久久久久| 肏 想要 进入视频无码| 91免费视视频在线观看| 996久久国产精品线观看| 激情五月婷婷久久综合网| 少妇毛片一区二区三区嫩草| 国产精品国产三级国产av| 日韩精品一二区| 亚洲午夜国产精品无码老牛影视| 亚洲一区二区三区在线观看网站| 日韩一区日韩二区日韩三区| 人妻少妇久久中中文字幕| 禁室培欲在线观看| 特级做a爱片久久久久久| 欧美 日韩 一区 自拍| 国产欧美日韩精品二区特黄| 热99re久久精品香蕉|