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

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

熟女性饥渴一区二区三区| 久久久久久久久毛片精品| 少妇人妻偷人精品一区二区| 拍国产真实伦偷精品| 一女三黑人玩4p惨叫a片| 国产综合久久久久久鬼色| 天天躁日日躁狠狠躁视频2021| 漂亮人妻洗澡被公强 日日躁| 荫蒂添的喷水a片视频| 亚洲av无码一区二区三区在线| 欧美成人看片黄A免费看| 亚洲国产精品成人天堂| 办公室里呻吟的丰满老师电影| 久久亚洲熟女cc98cm| 多人疯狂的在她体内撞np| 18videosex性欧美69| 国产乱老熟妇吃嫩草| 久久久久久国产精品MV| 2023国精产品一二二线精华液| 女性高爱潮AAAA级视频免费| 亚洲精品欧美综合四区| 免费看片a级毛片免费看| 久久久久人妻精品一区三寸蜜桃 | 亚洲国产一区二区| 啦啦啦高清在线观看www| 老熟妇高潮喷了╳╳╳| 久久人人爽人人爽人人片av不| 毛片24种姿势无遮无拦| 国产精品人妻一区二区三区四区| 免费无码国产v片在线观看| 亚洲av天堂一区二区香蕉| 精品无码国产污污污免费网站| 中文字幕在线观看| 国产精品婷婷久久爽一下| 欧美 亚洲 另类 偷偷 自拍| 日本无码黄动漫在线观看| 年轻丰满的继牳理伦片中文| 久久精品国产亚洲av麻豆色欲| 亚洲国产精品成人综合色在线| 免费看国产成年无码AV片| 国产精品久久久久久亚洲|