Anti-Corrosive Epoxy Primer for Steel and Marine

Some good only on metal, others maybe on wood or concrete too. If you paint many kind, versatile one like anti rust coating for metal save money time. You might check resistance to chemicals. If place with oil grease or other stuff, pick primer resist these. This make paint job last.  

When ready apply, follow anti rust paint for iron right amount important. Too little protective layer weak. Too much cause drips uneven. Thin even coat best. Use brush roller or spray gun cover all area. After apply let dry complete before topcoat.  

When buy anti corrosion coatings important understand performance. Key is how good resist rust corrosion. High-quality like Qianlang protect metal many years even tough condition. But performance depend how apply, so follow instruction for best.