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Scaling protection

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Temperatures of over 1,000 °C are often measured in industrial processes. If raw materials, components or semi-finished products are exposed to high heat during their processing, uncontrolled scaling occurs. If this is not removed, it can have a negative influence on subsequent work processes. In the worst case scaling results in material loss or waste. Resistant coating solutions offer long-term scaling protection in this case.

Optimal scaling protection: DELTA-HEAT®

DELTA-HEAT®, developed by Dörken MKS, is suitable for use in areas with scaling. The silvery, water-based coating contains aluminium and can be applied individually and directly to components at various stages – for example prior to curing, annealing or hot stamping processes The coating subsequently hardens at room temperature. With the application of heat (up to a maximum of 1,200 °C) the high-performance topcoat comes into effect, with the aluminium flakes melting into the coating. They form a fixed layer that adheres to the substrate – an aluminium oxide. This inert protective coat prevents oxygen, which attempts to penetrate the material, from making its way to the substrate. This enables the oxidation and scaling formation there to be reduced by up to 80 percent.


  • The emergence of scaling is primarily dependent on three factors: the heating process, the material and the heating temperature
  • Scaling does not occur solely on the surface, but also in depth
  • Depending on the quality of the steel and the moulding process, the hot working of steel results in between 1 and 3 % scaling
  • The removal of the scaling via high-pressure descaling is dependent on the class of materials


Albert Gelles

Tel.: +1 517 522 4600

Gabriel Yurko

Tel.: +1 517 522 4600


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