Agent and method for removing rosin-base solder flux.

摘要

The invention provides a cleaning agent for removal of a rosin-base solder flux, the cleaning agent comprising a mixture of (A) at least one glycol ether compound of the formula (1) <CHEM> wherein R<1> is a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, R<2> is an alkyl group having 1 to 5 carbon atoms, R<3> is a hydrogen atom or a methyl group and k is an integer of 2 to 4, (B) at least one nonionic surfactant, (C) at least one phosphate anionic surfactant, and also provides a cleaning method for removing a rosin-base solder flux, the method comprising bringing the above cleaning agent into contact with the rosin-base solder flux.