Method for desmutting aluminum alloys having a highly-reflective

Details Method for desmutting aluminum alloys having a highly-reflective Method for desmutting aluminum alloys having a highly-reflective

1994-07-27

1996-07-23

Valentine, Donald R.

Stock material or miscellaneous articles

Vehicle body ornament

252 793, 134 3, 428687, 428577, 205213, 205219, 205661, 205684, C25F 100, C25F 304, C25F 320

Patent

active

055386008

ABSTRACT:
A method of forming a highly-deflective surface on aluminum alloys. The, the composition comprising: cleaning a body formed from an aluminum alloy; electrobrightening the body; and desmutting the surface of the freshly-brightened body without etching. The bath comprises: 15-95 vol. % nitric acid and 1-85 vol. % acetic acid; 1-40 vol. % total water; and a source of fluoride ion supplying at least 35 grams per liter of fluoride. Ammonium bifluoride is the preferred source of fluoride.

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