Institute for Electroplating and Surface Treatments Solingen
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Decorative chromium plating

Base material and coating system:Zinc diecasting plated with decorative chromium
Defect mode: defect in the semi bright nickel layer
Cause of defect: probably caused by gas bubbles on the surface while plating

Base material and coating system: Zinc diecasting plated with decorative chrome plating
Defect mode: spot
Cause of defect: inclusions in nickel layer

Base material and coating system: Zinc diecasting plated with decorative chromium
Defect mode: pitting corrosion
Cause of defect: chemical attack

Base material and coating system: brass plated with decorative chromium
Defect mode: selective corrosion of zinc (“dezincification”)
cause of defect: chemical attack

Base material and coating system: zinc diecasting plated with decorative chrome plating
Defect mode: corrosion of base material caused by modifies corrodecote test
Cause of defect: (simulated) chemical attack

Base material and coating system: plastic plated with decorative chrome plating
Defect mode: spot
Cause of defect: inclusion in semi bright nickel layer

Base material and coating system: steel plated with decorative chrome plating
Defect mode: spot
Cause of defect: inclusion in nickel layer