Guangzhou Steel tells you: steel blasting and painting method request

Steel rust coating method and requests?
[Guangzhou Steel answer] 1, rust grades should be based on the original state of the steel surface, the choice of primer, rust method used and other factors to determine the project cost.
2, when the use of hand-rust, rust quality level should not be less than the current national standard after treatment to the primed surface interval should not exceed 6h, during which surface should insist on a clean, non-wet, oil and the like. Guangzhou Steel