Rust Transform
Rust Transform will use when cannot sandblasting. Because if have rust stain. The coating will failure!
Rust is an iron oxide, usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture.
Pressure of Rust 2,200psi while the coating adhesion 700 psi. So have to transform the rust stain before Coating.
Rust Transformer Products
link source : https://en.wikipedia.org/wiki/Rust