... High quality CharacteristicsColorless, transparent, clear and odorless liquid Mass fraction of 1,1,1,2-tetrafluoroethane, % ≥99.999.599.9999.9Mass fraction ... to refrigerant, 1,1,1,2-tetrafluoroethane inspection shall include determination of chlorides (Cl-) and volume fraction of non-condensable gases. Uses: The ...