Phosphate-free dishwasher detergents which contain a builder, bleaching agents, a nonionic surfactant, and also a) a copolymer comprising i) sulfonic acid group-containing monomers, ii) further ionic and/or nonionic monomers, b) methyl glycine diacetic acid. The detergents according to the invention have good cleaning and rinsing results which are comparable to those of phosphate-containing dishwasher detergents or even outdo them.

Phosphate-free dishwasher detergents which contain a builder, bleaching agents, a nonionic surfactant, and also a) a copolymer comprising i) sulfonic acid group-containing monomers, ii) further ionic and/or nonionic monomers, b) methyl glycine diacetic acid. The detergents according to the invention have good cleaning and rinsing results which are comparable to those of phosphate-containing dishwasher detergents or even outdo them.

A flux cleaning composition is provided. The flux cleaning composition, based on a total weight thereof being 100%, includes: 2% to 20% of an amphoteric surfactant; 0.1% to 2% of a reducing agent; 5% to 10% of a chelating agent; 70% to 90% of an organic solvent; and 5% to 20% of water.

A flux cleaning composition is provided. The flux cleaning composition, based on a total weight thereof being 100%, includes: 2% to 20% of an amphoteric surfactant; 0.1% to 2% of a reducing agent; 5% to 10% of a chelating agent; 70% to 90% of an organic solvent; and 5% to 20% of water.