Overview
Two-component epoxy zinc-rich primer providing cathodic protection for steel substrates in anti-corrosion coating systems.​

Composition
Epoxy resin, ultrafine zinc powder, anti-settling additives, toughening additives, mixed solvents; polyamide curing agent; supplied as Part A and Part B.​

Typical uses

• Ship repair/building, bridges, iron towers, gas holders, oil tanks, and general steel structures.​

• Localized repair of inorganic zinc-rich primer coatings.​

Technical data (typical)

• Appearance / color: Gray.​

• Theoretical consumption: 0.21 kg/m² for approx. 50 µm DFT (losses not included).​

• Density / specific gravity: 2.1 kg/L.​

• Drying / curing (25°C): Touch dry 1 h; hard dry 24 h; full cure 7 days.​

Application data (25°C)

• Mixing ratio (A:B): 30:3.​

• 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: 35–50 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 MIO 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 30 kg; Part B 3 kg.