... %, 2.generic package, 3.non-toxic, eco-friendly, withstand high temperature, non-flammable. Product:Refrigerant gas R22 Physical Properties ... has the chatacteristics of nontoxicity, odourlessness, incombustibility, non-explosiveness and good heat stability and stable chemical property ... 400kg/400L ,800kg/800L ,1000kg/1000L,950kg/926L Quality standard : Purity, %≥99.8Moisture, PPm≤10Acidity, PPm≤0. ...