Aluminum sheet for lithography obtained by mechanical...

Details Aluminum sheet for lithography obtained by mechanical... Aluminum sheet for lithography obtained by mechanical...

B - Operations, Transporting

41

N

96/189, 96/2, 96

B41N 1/08 (2006.01) B41N 3/03 (2006.01) G03G 13/28 (2006.01)

Patent

CA 1141585

????? LITHOGRAPHIC SUBSTRATES ABSTRACT OF INVENTION A method for the production of aluminum substrates useful in the production of lithographic printing plates which comprises mechanically graining the surface of an aluminum sheet, sub- sequently finely graining the mechanically grained sheet in a saturated solution of an aluminum salt of a mineral acid to which up to 10% of a mineral acid has been added, with dis- cretional electrolysis, and then optionally anodizing the sheet.

358885

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