... a colorless, non-toxic, non-flammable and transparent liquefied gas Refrigerant gas R22,Refrigerant gas R22,Physical Properties Molecular weight -- 86.48 Normal ... /22.7kg, 30L/13.6kg, 20L/12kg and 15L/10kg disposable steel cylinders. 17-20 ton special storage tank. Model NO.: R22Productivity ...