Process for electrolytic graining of aluminum

Details Process for electrolytic graining of aluminum Process for electrolytic graining of aluminum

1975-07-30

1976-09-14

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041291, C25F 302, C25F 304

Patent

active

039805395

ABSTRACT:
Aluminum is electrolytically grained in an aqueous electrolyte solution containing both hydrochloric acid and boric acid. The hydrochloric acid and boric acid are employed in concentrations which provide grained aluminum that is substantially free of pits, even when high electrolytic current densities are employed in order to complete the graining in a short period of time. Aluminum grained by this process is especially useful as a support for lithographic printing plates.

REFERENCES:
patent: 3072546 (1963-01-01), Wruck
patent: 3073765 (1963-01-01), Adams
patent: 3085950 (1963-04-01), Thomas

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