| abstract |
[PROBLEMS] To provide a lithographic printing plate that can sufficiently utilize raw aluminum obtained from used drinking cans, is excellent in all of stain resistance, printing durability, sensitivity, and shiny, is inexpensive in raw materials, has a simple process, and is environmentally friendly. A lithographic printing plate precursor satisfying industrial productivity that can reduce the load on the plate is obtained. The composition is Fe: 0.3-1 mass%, Si: 0.15-1 mass%, Cu: 0.1-1 mass%, Mg: 0.1-1.5 mass%, Mn : 0.1-1.5 mass%, Zn: 0.1-1.5 mass%, Cr: 0.01-0.1 mass%, Ti: 0.01-0.5 mass%, Al: 99 .4 to 95 mass% aluminum plate, A method for producing a lithographic printing plate support, comprising roughening an aluminum plate having a concavo-convex pattern formed on a surface by transfer. [Selection figure] None |