| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning liquid for an aluminum sheet which has no scales composed of calcium carbonate causing the defect of the aluminum sheet, and has excellent maintenance properties of cleaning equipment as well, to provide a cleaning method therefor and the cleaning equipment. SOLUTION: The cleaning liquid for an aluminum sheet is obtained by adding a dispersant having a molecular weight of 500 to 20,000 in an addition amount of 1 to 100 ppm to water having a calcium content of≤5 ppm. COPYRIGHT: (C)2003,JPO
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