Patent ID: 8877697

Claim:
A cleaner for removing water-soluble, lead-free soldering flux, comprising: a glycol ether compound (A); an amine compound (B) represented by Formula (1): wherein R 1 is C 1-7 alkyl or hydrogen, Y is C 1-5 alkyl or hydrogen, Z is C 1-5 alkyl or hydrogen, a is an integer of 1 to 5, and b is an integer of 0 to 5; and water, the glycol ether compound (A) being contained in an amount of 5 to 45 parts by weight per 100 parts by weight of water, the amine compound (B) being contained in an amount of 0.1 to 10 parts by weight per 100 parts by weight of water, and the cleaner being free from anionic surfactants.