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Cold Blackening: Affordable, Efficient for Almost Every Industry

The process of blackening metal has been around for many years. The most common use was by weapons manufacturers who tried a variety of processes to give their crafted products necessary protection. The goal was to prevent oxidization, the formation of reddish-brown ferric oxides on iron which develops in the presence of moisture. In basic terms, they were looking for a way to prevent rust.

The solution was a chemical blackening process, with some modern-day artisans still using the age-old method of “blueing” familiar to gun aficionados. In the early years, the process involved dissolving copper in acid and immersing the metal. They would even bury the metal in the soil to produce a blue-black colour that had a particular lustre when oiled.

New Method

For the past few decades, the leading providers of cold blacking steel services have used a process that’s distinct from the classic “hot” method. The chemical-blackening kit is safe and easy to use, resulting in metal finishes that meet the highest standards. When the component is finished, it will withstand corrosion and moisture attacks, thanks to a method that is more cost-efficient than metal plating.

Metal components are protected by a process that operates at room temperature, in a simple dipping procedure that is excellent for use in factories, for example. The result is a uniform colour on machined surfaces, including in threads and blind holes. Parts are first degreased and immersed in a surface conditioner. The blackening solution follows, along with additional corrosion protection from a final immersion in dewatering oil.

The primary reason for using cold blackening is, of course, the corrosion resistance provided. Components are more capable of standing up to an attack from moisture and other outside elements, giving your parts a longer lifespan. However, the room-temperature process is preferable for other reasons. It’s more affordable than painting and plating, and doesn’t alter components that must be held to the tightest standards, adding approximately one micron.

Appearance, Performance

This is a negligible increase in size, so your parts will still be suitable for the intended application. If you also need to have components that look good, the chemical blackening process delivers with minimal increase in cost. Clients appreciate the ability to protect the surface as well as enhance the appearance of “show pieces” in one basic step.

When you visit the website of a top provider of cold blackening or when you talk to these experts, you may also want to ask about an array of antiquing and lacquering products. You benefit from a cost-efficient method of protecting your parts and components, but you also establish a good working relationship with specialists who have delivered unmatched customer service for several decades.

They have carefully developed this chemical-based, cold blackening method over time, so you know you’ll receive the results you need and deserve at attractive prices. When you talk to a representative, be sure to ask about the free demonstration/sampling process, available to be conducted at your location or at the company’s facility. You’ll be making the smart choice.

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