意大利一级毛片-淫www-淫欧美-淫片免费-男女日日-男女上下爽无遮挡午夜免费视频

Welcome to Quzhou Zijie Trading Co., Ltd Website!

QUALITY FROZEN THE WORLD

Based on honesty, getting customers'
trust by honest business, creating value for customers with integrity

Hot Products: Industrial difluorochloromethane / R134 / R410 / liquid ammonia / methyl chloride
Home > Products
Propellant R227ea

New fire extinguishing agent series R227ea

Heptafluoropropane R227ea


CF 3 CHFCF 3

Physical properties

Under normal temperature and pressure, HFC-227 is a colorless gas, which is a high-efficiency and low-toxic fire extinguishing agent.

 

HFC-227ea

Molecular formula

CF 3 CHFCF 3

Molecular weight

170

Boiling point, oC

-17

Density (25oC), kg.dm -3

1.4

Vapor pressure (25oC), MPa

0.45

 

ODP

0

Uses

Item

Index

Top grade

Qualified

Purity % (m/m)

≥99.8

≥99.6

Moisture % (m/m)

≤0.0010

Acidity (in HF) % (m/m)

≤0.0001

Evaporation residue % (m/m)

≤0.01

Suspended matter or sediment

Invisible

An ideal replacement for Halon 1301, it has the characteristics of clean, low toxicity, good fire extinguishing effect and the most economical alternative to the 1301 fire extinguisher. HFC-227ea has been included in the new standard of the American Fire Protection Association NFPA2001. HFC-227ea can also be used as a refrigerant, medical Propellant.

Packing specification

1000kg/926L steel cylinder ISO container tank

 

Contact us
ADD:77# Changqian Road, Juhua Group Co., Kecheng District, Quzhou City, Zhejiang Province
Tel: +86-570-3053898
Contact: +86-13957036193 Li
E-mail: quzhouzhijie@foxmail.com
QQ: 284492418
Copyright(C)2019,Quzhou Zijie Trading Co., Ltd?All Rights Reserved.?Supported by?ChemNet?ChinaChemNet?Toocle
主站蜘蛛池模板: 久久国产精品99久久久久久牛牛 | 天堂最新版在线地址 | 97人人草| 亚洲春色在线 | 国产久爱青草视频在线观看 | 天天干网址 | 你懂得国产 | 天天操天天插天天干 | 四虎成人影院网址 | 成人美女隐私免费 | 四虎永久免费影院 | 久久sese| 福利午夜在线 | 婷婷涩五月 | 91色蝌蚪| 日本一区二区不卡视频 | 亚洲精品老司机综合影院 | 亚洲午夜视频 | 高清视频一区二区三区 | 亚洲一区小说区中文字幕 | 一级特黄女人生活片 | 欧美电影一区二区 | wwwxx免费| 3344在线观看永久免费 | 成人永久免费视频 | 欧美一级高清片欧美国产欧美 | 最新版天堂资源官网 | 欧美色久 | 欧美日a | 美女用手扒开尿口给男生桶爽 | 五月婷婷在线观看 | 国产精品成人一区二区 | 亚洲一区中文 | 四虎影永久地址www 四虎影永久在线观看精品 四虎影永久在线观看网址 四虎影院.com | 成人av.com| 中文字幕一区二区三区永久 | www在线观看 | 成 人网站免费 | 痴女在线播放免费视频 | 天天色成人| 国产精品久久免费观看 |