Parkerizing is the trade name of a chemical reaction process that uses a mild acid solution to deliver manganese or zinc to a steel part and thereby coat that part with either manganese or zinc. The generic name for this process is “Phosphate Coating”, but most folks use the familiar name, Parkerizing, and often use a lower-case “p” when writing about it. The purpose of parkerizing is to provide a protective finish on steel parts. The resultant phosphate coating will hold lubricants and rust preventatives. One common use is to coat and protect steel firearms. Compared to bluing, it has … The post Parkerizing at Home – Part 1, by S.A. appeared first on SurvivalBlog.com.