| abstract |
A scale cleaning agent and a scale cleaning method using the same are disclosed. The scale cleaner of the present invention comprises 1 to 5% by weight of inorganic acid; 1 to 5% by weight of a first organic acid; 0.5 to 2.0% by weight of sulfamic acid; 1 to 2.5% by weight of a second organic acid; Wherein the inorganic acid is selected from the group consisting of phosphoric acid and phosphorous acid and the first organic acid is selected from the group consisting of oxalic acid, succinic acid, Tartaric acid, and the second organic acid is at least one selected from the group consisting of citric acid, formic acid, and hydroxy acetic acid. |