Key Anti-Corrosion Design Features of Acid-Proof Steel Industrial Building - Knowledge

1. Multi-layer heavy-duty coating system Main steel frame undergoes shot blasting Sa2.5 grade, then coated with zinc-rich epoxy primer, intermediate acid-resistant paint and chemical-resistant top finish, forming a complete anti-corrosion barrier against acid vapor...

Key Anti-Corrosion Design Features of Acid-Proof Steel Industrial Building
1. Multi-layer heavy-duty coating system Main steel frame undergoes shot blasting Sa2.5 grade, then coated with zinc-rich epoxy primer, intermediate acid-resistant paint and chemical-resistant top finish, forming a complete anti-corrosion barrier against acid vapor.

2. FRP / PVC lining for interior surfaces Inner walls and ceiling are lined with corrosion-resistant FRP panels or PVC plates, directly blocking acid mist and condensate corrosion, easy to clean and maintain.

3. Sloped roof drainage design Roof designed with 3–5° slope, acid condensate flows to dedicated collection gutters instead of accumulating on steel members, avoiding localized corrosion.

4. Sealed joint treatment All panel joints, door frames and pipe penetrations are sealed with acid-resistant polysulfide sealant, controlling acid fog leakage within safety standards.

5. Galvanized secondary components All purlins, brackets, bolts and accessories adopt full hot-dip galvanizing, ensuring corrosion resistance of small parts.