Parkerizing is a process that involves phosphating and passivating metals by dipping them in an acidic solution. Parkerizing is used to protect the metal from rust and corrosion. Parkerizing also increases the lubricity of the surface, which can improve wear resistance and reduce friction between moving parts. Parkerized surfaces are characterized by their neutral gray or light-gray appearance. Parkerizing can be done to many different types of metals, including iron and steel, aluminum, zinc alloys and magnesium alloys.
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Parkerizing is popular for firearms because it increases the lubricity of the surface and makes cleaning easier. Parkerized surfaces are much easier to clean than phosphate treated surfaces as the Parkerized surface coating is extremely stable and does not flake off like phosphate coatings.
Parkerizing can also improve the bond between lubricants and metal surfaces, allowing Parkerized surfaces to function with less lubricant than untreated metal. Parkerizing does add weight to a firearm (up to several ounces in some cases) due to the added coating thickness. Parkerized firearms can be painted using conventional painting techniques.
It leaves a matte gray surface that is very well suited to paint adhesion. Parkerizing will not cause corrosion or pitting in most circumstances, but will not stop existing corrosion or rust on the metal surfaces being treated. If rust exists on the steel it must be removed before the Parkerizing process.
Parkerizing can also be used to blacken stainless steel or other bright metal finishes, though it will generally not produce the same level of corrosion protection as a true black oxide coating. Many firearms are Parkerized in order to provide increased surface durability without changing the look of the metal finish being treated.
It is typically more cost effective than military specification Parkerizing without any loss in quality. It’s is also used to protect metal tools and automotive parts. Parkerized metal surfaces are protected against rust, corrosion and the effects of weathering, which makes it an excellent option for firearms, camping gear or gardening tools that will be exposed to wet conditions.
Benefits of Parkerizing Include:
– Parkerized surfaces are much easier to clean than phosphate treated surfaces as the Parkerized surface coating is extremely stable and does not flake off like phosphate coatings.
– Parkerizing can also improve the bond between lubricants and metal surfaces, allowing Parkerized surfaces to function with less lubricant than untreated metal. and more!