steel coatings? in Zinc, galvanized, and coatings Posted February 22, 2013 firstly, it need to be rust and then polishing. in fact, if there is rust, coating also is a way to antirust.
steel coatings?
in Zinc, galvanized, and coatings
Posted
firstly, it need to be rust and then polishing. in fact, if there is rust, coating also is a way to antirust.