巨骚综合网,国产极品美女在线观看,8x在线,偷偷的日小丹,av电影小说,自拍偷拍精品网

Product: 1,1-DICHLORO-1-FLUORO-ETHANE(R141B)
Purity:99.83%
Moisture: 0.002%
Vinylidenechloride and dichloro acetylene: 0.01%
Acidity(≤%, as HCI): 0.0001
Residue:0.001%
Grade: 1

Packing: 250kg/iron drum

主要用途：可做清洗劑和發泡劑，替代R11和R113。