FAQ

Why do Silcosteel treated pieces have different colors?

30 Jul 2025

The different colors observed on Silcosteel treated parts indicate different layer thicknesses. A blue color corresponds to a 300 to 450 Angstrom layer while a rainbow color indicates a coating of at least 1200 Angstroms.

Colors associated with layer thickness are:

a blue and purple gradient scale showing colors associated with thickness of treatments

Thick depositions used in Silcosteel-CR processes are 5µm to 20µm deep and have a silver/metallic grey appearance. The photos below show colors created by Sulfinert (left) and Silcosteel-CR (right) deposition.

a close up of Sulfinert and Silcosteel-CR depositions on stainless steel

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