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Why do Silcosteel® treated pieces have different colors?
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:
Thick depositions used in our Silcosteel®-CR and Silcosteel®-UHV 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.
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