Look at this, from the Cleveland manual:Once Cleaned, you can either Powder Coat the Parts...
The Cleveland manual also has a minimum thickness specification for each disc part number. For a light homebuilt it might not be that important, but brake fade can be expected with heavier airplanes having thinned discs.Go for new O-rings on the cylinders I think the disc can be cleaned up, Worth the effort Clevelands are rock solid and a small fortune new!
=========================Some of the mediums are not doable for the home garage, and I’m sure at home is of prime importance for this project. If you have to take it somewhere, it’s defeating this purpose.