I mean, do you have a link from a scientific source to back this up.
Write in Google: spotting staining and corrosion
and read the first article from the search on infectioncontroltoday.com
You are talking for these razors as if you are using them on other people and try to make some extra profit from non-buying sterile instruments. The question is: are you convincing us, or are you trying to find a justificastion for what you are practiving?