Have a Sig 226, it has the nitride black finish over a stainless slide. I've tried other stainless steel blackeners and they simply cannot compare to the ease of use and the quickness of results. This product is absolutely thorough and extremely fast at blackening stainless steel. Posted by Raees.Divitiae on Apr 15th 2020 It is always important to read the product instructions and description on the web site before use, for example, nearly all of our plating kits require a polished and clean surface before plating. Most beginner level products can be used out of the box and can expect results within minutes. Recommended Skill Levelīeginner level products can and should be used by anybody, including those who consider themselves not crafty, handy or hands on. Please call +1 3 or contact us for rates to other locations. Ground shipping only to the Continental USA. 4 fl oz Stainless Steel Concentrate Gel (covers approx 2 sq ft)Ĭontains Hazardous Goods.Seal with Caswell Sealer for a dry finish. Leave it on the part for 1-3 minutes and rinse off. Simply apply the gel where you want the blackening to occur. Freshly blackened parts The same part overnight The same parts after a week.Easily spot blacken stainless steel. We are now drying each part with compressed air between each stage, but finding similar issues. We weren’t originally drying the part between each stage, except when we went from cleaning solution to initial rinse. Soak in Black Oxide Concentrate, currently mixing 8 to 1 with Distilled Water.After analyzing their process, we concluded that using compressed air for drying the parts may lead to rusting. One of our customers shared their experience/process with us. Use running water to rinse the parts for 1-2 minutes Do not dry the parts between prepping, cleaning, and blackening Do not use compressed air to dry the parts as it contains water droplets Apply E-Tec ( see instructions) sealer to extend the life of the finish and protect the surface. Room-temperature blackening processes are autocatalytic reactions of a black selenium-copper compound that deposits on ferrous parts through an immersion process.Ĭustomers reach out to us asking how to prevent their freshly blackened parts from rusting. It is important to note this is not a true black oxide process however, it may be referred to as room-temperature black oxide. Room-temperature blackening (65–85° F) is the preferred metal-blackening process for safe and convenient in-house blackening. It is an excellent non-bleed black finish for powdered metal and cast iron. It produces super deep blackness and corrosion resistance equal to hot oxide blackeners. It produces no caustic boiling fumes and provides a safer working environment. Mid-temperature black oxide (225–245 F°) is the latest development in blackening processes, producing a true black oxide iron magnetite (Fe3O4) finish. It is a premium-grade salt mixture which will blacken a wider range of steel alloys than any other process on the market. Hot black oxide (285 F°) is a conventional hot process which produces a true black oxide iron magnetite (Fe3O4) finish. EPi was the first company to offer all three processes. There are three types of metal blackening: hot, mid, and room temperature blackening. Black oxide is a blend of caustic, oxidizers, and additives that is used on ferrous metals.
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