国产欧美日韩中文字幕在线,999久久久久久久久久,亚洲女性与黑人XOⅩO,亚洲GV永久?码天堂网

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

perfluoropropane

Quality standard:

Molecular formula:C3F8                                 Molecular weight: 188

ingredients

content

unit

perfluoropropane (C3F8)  

≥99.99

%V

air

≤30

ppmv

carbon dioxide (CO2)

≤2

ppmv

moisture (H2O)

≤10

ppmv

Other Halocarbon

≤50

ppmv

Acidity (HF)

≤0.1

ppmw

 

Character:  
Colorless inflammable gas, low toxicity gas
To use:  
In semiconductor industry, it is used by mixing with oxygen gas as plasma etching material; in medical industry, it is used as ultrasonic contrast agent; in R-218, it is used as ingredient of refrigeration mixture.
Storage:  
Should be preserved in cool and ventilated non-flammable gas used warehouse under temperature no higher than 30℃; keep it away from fire and heat source; separate with oxidizing agent; please prepare emergency processing facilities.
Transportation:  
Up to standards of gas cylinder safety supervision regulations
Storage:  
In special handling clean and dry gas cylinder; volume is 40L, 12.5L, 10L, 8L, 4L or on customer demands

【Back】

Copyright(C)2017,Fujian Yongjing Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice

日本不卡一区二区在线播放| 蜜臀国产精品毛片久久久| 把阴茎插进女人口内视频| 嗯嗯啊啊用力视频在线观看| 久久综合伊人77777麻豆| 欧美成人精品三级网站色戒| 亚洲丰满熟妇熟女ⅹxx| 国产蜜臀久久av一区二区| 亚洲一区二区三区久久免费| 久久亚洲精品人成综合网| 伦理在线视频免费观看视频| 日日日日做夜夜夜夜无码| 美女一区二区精品久久亚洲| 插死你在线视频| a级毛片在线观看| 国产精品宾馆在线精品酒店| 亚洲 自拍 另类小说综合图区| 国产理伦电影一区二区三区| 一区二区三区国产日韩欧美| 国产精品无码一二三视频| 大鸡插小穴视频在线观看| 欧美交换国产一区内射| 大学生Av性爱免费在线| 欧美日韩国产精品自拍视频| 亚洲成L人在线观看线路| 久久久久久国产精品日本| 亚洲大尺码专区在线观看| 成人欧美日韩一区二区三区| 精品乱人伦小说在线网站| 色综合网久久久天天模特| 91麻豆国产对白在线观看| 日韩电影免费播放一区二区| 亚洲欧美在线观看| 亚洲中亚洲中文字幕无线| 被男人巨根抽插视频在线| 欧美乱偷一区二区三区在线| 丁香花视频在线观看| 亚洲午夜高清拍精品偷拍日| 亚洲地址一地址二地址三| 午夜男女爽爽爽| 亚洲黄色一级片免费观看|