东京热av人妻无码,国产在线视频一区二区三区,亚洲av无码一区二区二三区 ,日本人丰满xxxxhd

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)

N2  (volume fraction)/ 10-2                                        

(80)

O2  (volume fraction)/ 10-2                               

≤0.08

CF (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

用舌头去添女人下面是不是真爱| 厨房一次又一次的索要| 亚洲天天做日日做天天爽| 啊灬啊灬啊灬快灬深用力a片| 国产激情精品一区二区三区| 伊人久久大香线蕉AV色婷婷色| 国产精品 高清 尿 小便 嘘嘘| 国产成人免费视频| 强制高潮18xxxxhd日韩| 午夜不卡久久精品无码免费 | 色欲色香天天天综合vvv| 新婚美人妻的沉沦| 中文字幕在线观看| 女人张开腿让男桶喷水高潮| 国产96在线 | 亚洲| 丰满熟妇乱又伦| 无码a∨高潮抽搐流白浆| 亚洲heyzo专区无码综合| 最近中文字幕高清中文字幕无 | 国产大片b站免费观看推荐 | 国产综合久久久久久精品| 久久亚洲AV无码精品色午夜麻豆| 被几个人摁住玩弄隐私作文 | 无码jk粉嫩小泬在线观看欧美| 久久久久亚洲av无码专区体验| 国产精品乱码一区二区三区| 亚洲小说春色综合另类| 亚洲成av人片天堂网| 夜里十大禁用短视频软件破解版 | 狠狠躁18三区二区一区| 亚洲第一网色综合久久红第一| 欧美综合缴情五月丁香六月婷| 无码人妻一区二区三区在线| gogo全球高清大胆国模| 国产精品女人呻吟在线观看| 在线看免费观看日本av| 熟妇熟女乱妇乱女网站| 99久久精品国产免费| 免费看的www哔哩哔哩| 天堂av无码大芭蕉伊人av不卡| 国产精品jizz在线观看老狼|