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

国产成人无码精品久久久露脸| 国产免费无遮挡在线观看| 四虎影视久久久免费| 亚洲第一 日韩av电影| 国产乱子伦在线观看视频| 午夜影院一区影院在线观看| 97色伦亚洲自偷| 亚洲蜜桃麻豆成人av在| 久久国产精品久久国产精品| 亚洲 欧洲 日韩 精品| 国产一区chinese| 色道久久综合亚洲精品蜜桃| 成人午夜精品视频在线观看| 99久久99久久精品国产片果冻| 色哟哟无码一区二区久久| 久久久久久久久免费高清| 国产精品高清一区二区不卡| 久久人人爽人人爽久久小说| 国内熟女精品熟女a片视频| 午夜影院操一操狂野欧美| 九一国免费在线视频国产| 国产日女人视频在线观看| 国产呦交小U女精品视频| 美女被大鸡巴肏在线观看| 久久九九国产精品一区二区| 亚洲中日韩美女互桶鸡鸡| 国产一区二区精品久久80| 久久久久久精品综合桃花| 日本在线不卡αv免费视频| 高清不卡日本v在线二区| 精品动漫一区二区三区总区| 久久久久久黃色網站免費| 免费精品国偷自产在线青年| 天天操天天射天天插到底| 久久久久成亚洲国产av| 97热这里只有精品国产| 久久久久久久爽少妇毛片| 日韩欧美精品在线一区二区 | 日日骚亚洲乱码av中文| 精品国产污污污网站免费看| 亚洲AV无码AV制服丝袜在线|