Rust on steel surface
Causes
- The paint deteriorates with age.
- Surface preparation was not done properly or anti- rust primer was not used.


Solution
Step 1
Surface preparation
- Scrub off the old paint and rust. Clean the substrate with thinner. Scrub off the rust with a wire brush or electric polisher.
- The surface must be completely clean and dry without any dust or rust before painting.
Step 2
Primer
Nippon Red Oxide Primer
- Good rust protection on steel.
- Good adhesion.
- Good film durability.