| 摘要 |
PURPOSE:To prepare an aerosol brake-cleaning agent excellent in detergency and dryability, and usable as an alternative cleaning, agent to 1,1,1- trichloroethane and CFC 113 which are regulated in order to protect the ozonosphere. CONSTITUTION:This aerosol brake-cleaning agent comprises a cleaning component comprising at least 50wt.% toluene and at least one member selected from the group consisting of a 5-8C aliph. or alicyclic hydrocarbon solvent, xylene, ethanol, n-propanol, isopropanol, acetone, dichloromethane and ethyl acetate each in an amt. of at least 5wt.%; and an aerosol propellent which is a high-pressure gas. |
