Description_x000D_ General description_x000D_ Special acid cleaner for ultrasonic bath, concentrate - based on phosphoric acid, anti-corrosive, acid, pH 1.9 (1%), dosage 5%, 1 to 10 min._x000D_ Contamination:_x000D_ Heavy mineral residues like chalk, silicate, phosphate, rust, cement, temper colors, metal oxides, grease and oil films etc._x000D_ Objects to be cleaned:_x000D_ Glass, ceramics, plastics, rubber, steel, stainless steel, precious metals. Not for light and non-ferrous metals, tin and zinc.