Process for anodizing highly reflective aluminum materials

Details Process for anodizing highly reflective aluminum materials Process for anodizing highly reflective aluminum materials

1984-03-16

1984-11-20

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204 58, C25D 1104, C25D 1108

Patent

active

044837500

ABSTRACT:
An improved process is provided for the production of aluminum reflective material having a higher total reflectance value. The process comprises controlling the anodizing conditions of an aluminum alloy previously subjected to a brightening process by immersing the alloy in a DC anodizing bath containing at least 26 wt. % sulfuric acid and the anodizing sheet at a current density of at least 18 amperes per square foot at a temperature of at least 60.degree. F.

REFERENCES:
patent: 3530048 (1970-09-01), Darrow
patent: 3671333 (1972-06-01), Mosier
patent: 4252620 (1981-02-01), Tomita

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