
Surface Preparation for Industrial Coatings: ISO 8501, SSPC & Practical Selection Guide
Surface Preparation for I
High-Grade Epoxy Enamel (2K) – Epoxy enamel for decorative heavy-duty corrosion protection.
For steel structures and concrete surfaces.
Mix ratio 20:4; pot life 4 h.
Recoat 12 h–7 d; X-7 thinner 2–8%.
Overview
Two-component epoxy enamel formulated for heavy-duty corrosion protection where a higher decorative finish is required on steel and concrete.
The cured film is described as porcelain-like glossy, tough and wear-resistant, with good scratch resistance and strong mechanical properties, plus chemical stability and resistance to moisture/oil/staining.
Composition
Special epoxy resin, premium pigments, additives, solvents, and imported curing agent; supplied as Part A & Part B.
Typical uses
Heavy-duty corrosion protection for steel structures and concrete surfaces requiring a higher decorative finish.
Technical data (typical)
Appearance / color: Various colors.
Theoretical consumption: 0.16 kg/m² at 50 µm DFT (losses not included).
Density / specific gravity: Approx. 1.2 kg/L.
Drying / curing (25°C): Touch dry 2 h; hard dry 24 h; full cure 7 days.
Application data (25°C)
Mixing ratio (A:B): 20:4.
Induction time: 5 min.
Pot life: 4 h.
Application methods: Airless spray, brush.
Thinner: X-7 epoxy thinner; dilution 2–8%.
Recoat interval: Minimum 12 h; maximum 7 days.
Recommended DFT: 50–70 µm per coat (brush/roller: 35–55 µm per coat).
Surface preparation
Over a two-component primer: surface must be clean, dry, and free of contaminants; abrade if maximum recoat interval is exceeded.
As first coat on steel: blast to Sa 2.5 or power-tool clean to St 3; surface profile 30–75 µm.
System compatibility / packing / storage
Compatible undercoats: epoxy primer, epoxy MIO intermediate coating, etc.
Shelf life: 12 months.
Storage: Store in a dry, cool, ventilated place away from ignition sources and direct sunlight; no outdoor storage.
Packaging: Part A 20 kg; Part B 4 kg.
CSPE cooling tower damp-proof coating for inner wall anti-corrosion service.
For cooling tower inner wall protection.
Single-component; min recoat 12 h at 25°C.
Resists freeze-thaw, damp heat, and mildew.
Polyurethane cooling tower damp-proof coating (2K) for waterproof anti-corrosion lining.
For cooling towers, sewage tanks, mines, underground buildings.
Primer ratio 24:3; topcoat ratio 18:3.
Pot life 4 h; min recoat 12 h.
Premium polyurethane marking coating (2K) for steel structures and concrete chimneys.
For chimney marking and protection.
Mixing ratio 18:3; pot life 4 h.
High gloss; fully hardened 7 d at 25°C.
Epoxy bitumen cooling tower damp-proof coating (2K) for cooling tower inner wall protection.
For cooling towers, sewage tanks, underground mines.
Mixing ratio 25:2.5; pot life 4 h.
Waterproof, anti-seepage, and mildew resistant.

Surface Preparation for I

Industrial Coating Failur

Anti Corrosion Coating Mi
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