Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

Of course. Here are some pictures of cylinders of an engine I have blackened with the Regner solution. Look at the last few pictures, with the cylinders before and after:


The process is easy, just place the cleaned parts into the solution (darkness varies with exposure time), then wash. However, a part of the dark surface oxide will go away with washing or handling the part, this is normal.

This is the chemical I have used: