213:"rust-proofing and anti-corrosive materials, including such materials comprising as an essential ingredient alkaline phosphates, and solutions prepared therefrom". In other words, it's a way of coating metals such as steel with an anticorrosive phosphate solution, usually in preparation for the application of paint, enamel, or lacquer. Examples that I've seen — steel rain gutters — have a dark gray, matte appearance that resists rust, even if left unpainted for a number of years. It would be useful if Bonderizing could be related to Parkerizing in this article, or if it could be described in a separate article. —
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What is the relationship between "Parkerizing" and "Bonderizing"? Are they essentially the same surface treatment process under different trade names? Henkel apparently filed for a trademark on
October 17, 1947 for the latter term, but I haven't been able to find much about it, except that it's
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They were called infamous in the press at the time in 1931. Political correctness was not yet in vogue in that era :-) Read the last paragraph of this article, on the elder and junior
Parkers, their history, and their investor fraud scheme.
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Someone recently merged "bonderizing" into the definition. It seems there is, or at some point there was some difference:
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on 23 April 2022. For the contribution history and old versions of the merged article please see
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Removed non-NPOV word "infamous". Does anyone know which Parker to link to for this family?
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The 1911 pictured is clearly a 1911A1 yet it is labeled as the earlier model, 1911.
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The processes described in this page seem to be exactly the same as those in
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Someone over-wrote the process section with gibberish. Edit undone.
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