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)

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

年轻的母亲2 韩国| 日产精品久久久久久久蜜臀| 极品美女一区二区三区| 久久精品国产亚洲欧美日韩| 动漫美女吸乳羞羞免费| 久久久久久一毛片| 国产精品国产精品国产专区不卡| 真实国产乱人伦在线视频播放| 99热在线观看| 久久夜色撩人精品国产av| 香港三日本三级少妇三级视频| 解开警花的裙子猛烈进入| 内射夜晚在线观看| 一区二三国产好的精华液品牌| 亚洲第一天堂国产丝袜熟女| 久久电影网午夜鲁丝片免费| 亚洲精品乱无伦码| 男人ji巴放进女人免费直播观看| 国产深夜男女无套内射| 国产高清在线精品一区不卡| 久久久久久亚洲综合影院| 挺进去岳就不挣扎了在线观看| 亚洲AV无码乱码在线观看| 国产激情在线视频| 国产尤物AV尤物在线观看不卡| 视频在线观看国产一区| 张雨欣人文艺术欣赏PPT| 91国内精品久久久久免费影院| 中文字幕在线播放| 亚洲一区日韩一区欧美一区a| 狂躁美女大BBBBBB糟蹋| 免费无遮挡十八禁污污网站Ⅰ| 国产免费一区二区三区| 中文字幕人成乱码熟女APP| 精品蓝导航视频福利在线| 成在人线AV无码免观看午夜网| 特级AAAAAAAAA毛片免费视频| 国产性一交一乱一伦一色一情| 好爽又高潮了毛片免费下载| 亚洲制服丝袜中文字幕自拍| 国产AV人人夜夜澡人人爽|