⚠️ Warning: As this is a chemical, be sure to wear gloves , a mask , and protective glasses . Work in a well-ventilated area.
The metal surface must be clean, oil-free and dry .
If there is oil, fingerprints or oxide, effective results cannot be obtained.
Clean the surface thoroughly with a wire brush, sandpaper or metal polishing soap.
If necessary, degrease with acetone or alcohol.
For small parts, the liquid immersion method can be used.
For large parts, it can be applied with cotton, brush or sponge.
It starts to show its effect within a few seconds after application.
If necessary, it can be applied in layers.
Once you reach the desired darkening level, rinse immediately with water .
Soapy water or weakly carbonated water is sometimes recommended to neutralize.
If the chemical remains on the surface, excessive darkening or staining may occur.
The metal surface must be dried thoroughly (a hair dryer can be used).
It can be fixed with polishing or varnish upon request .
This step helps to maintain the antique look for a long time.