Low temperature seal for anodized aluminum surfaces
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United States of America Patent
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-
Nov 22, 1988
Issued Date -
N/A
app pub date -
Feb 25, 1986
filing date -
Mar 8, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a process for sealing an anodized aluminum surface by contacting the surface with an aqueous acidic sealing solution having dissolved therein zirconium and/or titanium and dissolved fluoride, said solution preferably including dissolved silicate and/or a dissolved thiourea compound, and including optionally a sealing auxiliary, the process being carried out at a temperature of no greater than about 40.degree. C.
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Cited Art Landscape
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