Metal Blacking- Everything You Need to Know

Many metallic materials in use today have a silver appearance. Aluminium, stainless steel, and many others, such as iron, have a silver coating on top. However, in the workplace, the shiny silver surface does not look very nice.

Due to the practical concerns involved, the surface is generally coloured in a darker shade, such as black. Blacking a metal is generally done using sophisticated machines and chemical paints. Because of the complicated process involved, companies usually get their metal blacking done from professional businesses that offer such services.

Blacking is primarily offered for four different metals: iron, steel, zinc, and aluminium. The chemical blacking kit used is generally quite safe and also easy to use. It leaves a very high quality metal finish that offers greater resistance against corrosion. Here are some key things that you should know about the blacking process.

How It Works

First, the chemical blacking kit is used for applying the paint on the metallic surface. Because the paints are chemical based, they bond directly to the surface. Compared to metal plating, this is a much more cost-effective solution and leaves a better finish.

The operation itself is pretty simple, requiring just a simple dip operation created primarily for use in factory environments. This leaves a uniform finish all over the machined surface, blind holes, and the threads.

Then, the metallic surface undergoes the process of degreasing and proper conversion. The machined surface is immersed within a surface conditioner and the blacking solution is poured on top. Finally, the dewatering oil is applied in order to enhance the corrosion resistance of the machined surface.

The Advantages

There are a number of companies that have taken advantage of the blacking process for their manufacturing projects.  The biggest advantage that blacking offers is related to the resistance against corrosion. Blacking offers enhanced resistance against corrosion by ensures that the surface is significantly more durable and capable of withstanding different elements. Ultimately, this increases the useful lifespan of the component.

Another advantage of blacking is that it is comparatively cheaper than metal plating. The only other option available for colouring a machined surface is metal plating, which is quite expensive. You should know that the blacking solution is going to add one micron to the surface of the metal. Due to the negligible increase in the size of the surface, blacking also ensures that the machined surface is ready for its intended application.

The cosmetic value offered by the blacking solution is pretty good. It dramatically enhances the sales appeal of the component and also adds a durable black finish on top. It can be applied to an extensive variety of different articles. In industrial environments, this reduces the glare from light in different machines and makes it easy for people to work without having to constantly worry about light reflections getting in their eyes.

These are just some of the key pointers that you should know about blacking solutions.

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