... , R406A, R407C, R408A, R409A, R502, R508, etc. Product Name:Mixed Refrigerant R415B: Molecular formulaR22/R152Aconstitutechlorodifuoromethane/DifluoroethaneMolecular Weight70.20Boiling Point ,°C-26.72Critical ... the largest suppliers and producers of Compressor, Motor, Component, and Refrigerant and A/C spare parts systems in mainland, China. Refrigerant gas R415b Manfacturer in Hangzhou CHINA