Nilit

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For many machinery and equipment manufacturers, corrosion has been a major problem. There has been an increased need for corrosion protection. For example, parts in the printing industry or parts for the marine environment place high demands on the surface of the material. Several attempts have been made to improve protection. Products have been made entirely of stainless steel or welded on a stainless steel jacket, but the methods are very costly. NILIT, on the other hand, has proven to be an economical solution. A process developed to increase the corrosion protection of machines and process equipment made of steel and cast iron, which are exposed to high corrosion stresses, e.g. rollers for printing machines and pipes for the chemical industry.

NILIT is an electrolytic nickel plating treatment used on various steel alloys to improve surface properties and corrosion protection. Another characteristic of the NILIT coating method is a special pre-treatment that ensures very good adhesion to the base material.

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Corrosion protection

The NILIT layer is ductile and non-porous, which reduces the risk of cracking and penetration into the base metal. It is therefore possible to process the item by both grinding or milling without the risk of flaking. The layer is ductile and well suited as a base for further surface treatments such as painting and electroless nickel plating. As the process never exceeds 70°, there is no need to worry about any change in shape. The hardness of the precipitated layer is 250-300 HV. NILIT is cathodic to steel, for example, which means that NILIT is more noble and provides good barrier protection. As the layer is pore-free, this contributes to the very good corrosion properties. The corrosion resistance of the process means that it can be a very economical alternative to stainless.

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