Login
Discover
Waves
Decks
Plus
Login
Signup
dean-box
@dean-box
25
Followers
2
Following
1
Resource Credits
Available
Used
Created
May 19, 2019
RSS Feed
Subscribe
Posts
Blog
Posts
Comments
Communities
Wallet
dean-box
cn
2019-12-26 06:09
R134a制冷剂物性及应用现状
R-134a(1,1,1,2-四氟乙烷)是一种不含氯原子,对臭氧层不起破坏作用,具有良好的安全性能(不易燃、不爆炸、无毒、无刺激性、无腐蚀性)的制冷剂。R134a的毒性非常低,在空气中不可燃,安全类别为A1,是很安全的制冷剂。 分子式CH2FCF3 沸点(101.3kpa)/℃-26.1 临界温度/℃101.1 临界压力/ kpa4066.6 液体密度/ kg/m1188.1 饱和蒸气压(25℃)/
$ 0.000
3
1