Technical specifications: Mass fraction of chlorodifluoromethane≥99.6% Moisture≤0.001% Acidity≤0.00001% Mass fraction of evaporated residue≤0.01% Volume fraction of non-condensable gas at 25 degree≤1.5% the product is used as refrigerant in household, industrial and commercial air-conditioning system.It can also be used as aerosol propellant for pesticide and paint, or fire extinguishing agent. It is the primary feedstockfor fluoropolymer.