久久爱综合久久爱久久爱,间谍过家家第二季在线观看免费,国产美女在线精品免费观看网址,欧美+日本+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)

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

人妻无码av久久一二三区| 永久免费无码网站在线观看| 日韩gay小鲜肉啪啪18禁| 中文字幕无码精品三级在线电影| 曰本无码人妻丰满熟妇啪啪| 色欲A∨无码蜜臀AV免费播| 亚洲AV乱码一区二区三区| 无码国产精品一区二区高潮| 可以免费看美女隐私的app | ZO0O与人XXX欧美另类| 亚洲精品一区二区久久| 麻豆XXXX乱女少妇精品潘甜甜| 国偷自产AV一区二区三区| 娇妻中日久久持久久| 国产精品美女久久久久AV爽| 国内精品久久久久久中文字幕| 老司机精品视频| 又硬又粗进去爽a片免费| 亚洲午夜精品A片久久WWW解说| 人妻少妇精品久久久久久| 欧美日韩一区二区三区自拍| 国产精品无码AV天天爽播放器| 一本大道久久香蕉成人网| 欲求不満の人妻松下纱荣子| 亚洲VA天堂VA欧美片A在线| 久久一区二区三区精华液| 美女黄网站视频免费视频软件| 成熟人妻AV无码专区| 免费av在线观看| 国产成人无码aa精品一区| 国产精品国产亚洲区艳妇糸列短篇| 国产国拍亚洲精品MV在线观看| 最新69成人国产精品视频免费| 精品国产乱码久久久久久免费| 亚洲国产一区二区A毛片日本| 国产伦人人人人人人性| 久久久久精品无码专区| 最新国产精品福利2020| 亚洲av第一成肉网| 最近免费中文字幕大全高清mv| 精品成品国色天香卡一卡二卡三|