Chemical treatment

Coating technologies geared to your requirements

It is especially the 5xxx and 6xxx series alloys used in the automotive sector that require chemical treatment. For this purpose, the surface is initially pickled by alkaline and acid media in an efficient spraying unit. This unit is designed to handle the sensitive surface with care, for example through equipment preventing the formation of droplets when individual areas are switched off.

To achieve a uniform chemical coating, SMS group prefers the installation of vertical roll coaters. These coaters are provided with sophisticated control technologies ensuring a uniform coating result in the layer thickness demanded in each case at low media consumption. Depending on the coating medium or the plant layout, however, it is possible to install horizontal roll or spray coaters respectively immersion baths.

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