Solution anticorrosion pour réservoir d'huile
Systèmes de revêtement anticorrosion pour réservoirs de stockage de pétrole, répondant aux exigences anticorrosion internes et externes
Normes applicables
Application Scenarios
Crude oil storage tanks, refined oil storage tanks, chemical storage tanks, and other liquid storage tank anti-corrosion coating applications.
Selection Logic
Oil tank coating selection should separate external atmospheric exposure from internal chemical or immersion exposure. The tank shell, roof, bottom plate, internal wall, and buried or contact areas may need different coating systems, surface preparation levels, and inspection requirements.
Recommended Coating Systems
External Anti-Corrosion
| Coat | Product | Coats | DFT (μm) |
|---|---|---|---|
| Primer | Epoxy Zinc-Rich Primer | 1 | 60-80 |
| Intermediate | Epoxy MIO Intermediate Coat | 1 | 80-100 |
| Topcoat | Acrylic Polyurethane Topcoat / Fluorocarbon Topcoat | 2 | 80-100 |
| Total | 220-360 |
Internal Anti-Corrosion
| Coat | Product | Coats | DFT (μm) |
|---|---|---|---|
| Primer | Epoxy Anti-Corrosion Primer | 1 | 60-80 |
| Topcoat | Epoxy Anti-Corrosion Topcoat | 2 | 100-120 |
| Total | 160-200 |
Surface Preparation
- Blast cleaning Sa2½
- Surface roughness Rz 50-85 μm
- Cleanliness: Free of oil, dust, and contaminants
Design Life Reference
Design service life: 15-25 years.
Related ISO 12944 Classes
- C3-C4: ordinary outdoor tank farms and general industrial atmospheres.
- C5: coastal tank farms, high-humidity areas, and aggressive industrial exposure.
- CX or immersion service: requires project-specific review and current TDS/SDS confirmation.
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