The steel structure generally needs to be painted with the following layers of paint:
1. Pre primer:
Common varieties: acrylic precoat primer, epoxy precoat primer, etc.
2. Antirust primer:
The adhesion with the substrate should meet the requirements. different substrates should choose appropriate antirust primer. epoxy primer has good anti-corrosion effect and strong applicability to different substrates. It is widely used as antirust primer, which can meet most of the anti-corrosion and antirust requirements.
3. Intermediate paint:
The intermediate paint is generally semi gloss paint with a gloss of about 60, which is conducive to finding the defects of the paint film after the primer spraying, so as to carry out the repair before the topcoat spraying.
4. Topcoat:
Common varieties: acrylic enamel with good weather resistance, acrylic polyurethane topcoat, fluorocarbon topcoat, etc., and sometimes varnish is selected according to decorative requirements.
