INDUSTRIAL DETERGENT Russian patent published in 2012 - IPC C11D1/835 

FIELD: chemistry.

SUBSTANCE: industrial detergent contains the following in wt %: surfactant 1.5-1.8, antifoaming agent 0.1-0.2, demulsifying agent 0.4-4.0, corrosion inhibitor 0.001-0.002, alkali 7.0-7.5, active component - the balance. In the disclosed industrial detergent, the surfactant used is a mixture of nonionic surfactants - synthanol and OP-10; the corrosion inhibitor is sodium benzoate; the active component is a mixture of alkali metal salts - sodium carbonate, sodium phosphate and ammonium sulphate.

EFFECT: high detergent power, corrosion resistance and good quality of the zinc coating when cleaning rolled metal products in belts before zinc plating.

2 tbl