Coating Systems & Solutions
Surface Preparation for Industrial Coatings: ISO 8501, SSPC & Practical Selection Guide
Surface Preparation for I
Epoxy Zinc Primer (2K, C6-Modified) – Two-component epoxy zinc primer (C6-modified) for cathodic-protection priming.
Salt spray resistance 1300 h (as stated).
Theoretical consumption 0.25 kg/m² at 50 µm DFT (losses not included).
For offshore platforms, underwater steel, pipelines, oil tanks, bridges, and petrochemical steel structures.
Overview
Two-component epoxy zinc primer modified with special C6-element material and cured with a polyamide hardener.
It is intended for cathodic-protection priming and use in industrial anti-corrosion coating systems, including localized repair of inorganic zinc-rich primer coatings.
Composition
Epoxy resin, ultrafine zinc powder, anti-settling agent, toughening agent, solvent; modified with special C6-element material; polyamide curing agent; supplied as Part A and Part B.
Typical uses
Ship repair/building, bridges, petrochemical facilities, steel structures, offshore platforms, underwater steel structures, pipelines, and oil tanks.
Used as a cathodic-protection primer and for localized repair of inorganic zinc-rich primer coatings.
Technical data (typical)
Appearance / color: Gray.
Theoretical consumption: 0.25 kg/m² at 50 µm DFT (losses not included).
Density / specific gravity: Approx. 1.87 kg/L.
Drying / curing (25°C): Touch dry 1 h; hard dry 24 h; full cure 7 days.
Salt spray resistance: 1300 h.
Application data (25°C)
Mixing ratio (A:B): 21:3.
Induction time: 5 min.
Pot life: 4 h.
Application methods: Airless spray, brush, roller.
Thinner / Cleaner: X-7 epoxy thinner; typical dilution 2–8% (air spray/roller may require more).
Recoat interval / overcoating interval (25°C): Minimum 12 h; maximum not limited.
Recommended DFT: 50–80 µm per coat (brush/roller: 30–40 µm per coat).
Surface preparation
Abrasive blasting or shot blasting to Sa 2.5, or power-tool cleaning to St 3.
Surface profile: 30–75 µm.
System compatibility / packing / storage
Compatible topcoats: epoxy intermediate coating, epoxy topcoat, polyurethane topcoat; also acrylic, chlorinated rubber, high chlorinated polyethylene, chlorosulfonated polyethylene, and chlorinated ether topcoats.
Shelf life: 12 months.
Storage: Store in a dry, cool, ventilated warehouse away from fire sources and direct sunlight; outdoor storage is not permitted.
Packaging: Part A 21 kg; Part B 3 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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