... Certified & SGS certificated 3.about 10 years export experience Refrigerant gas R142B Property of chloride : Molecular Weight100.5Boiling Point, °C-9 ... , 50lb/22.7kg; Recyclable cylinder 400L, 800L, 1000L; ISO-Tank.Quality standard : Purity, %≥99.8Moisture, PPm≤10Acidity, PPm≤0.1Vapor Residue ... in !! (Will reply immediatly when we received your email!) refrigerant gas r142b with 99.8% purity