Epoxy zinc phosphate anti-rust primer (2K) for heavy-duty steel corrosion protection.
For ports/docks, heavy structures, mining machinery, power machinery plants, and water conservancy steelwork.
Zinc phosphate anti-rust pigment system with stated water and salt water resistance.
Mix ratio 7:1; theoretical consumption 0.12 kg/m² at 50 µm DFT.
Overview
Two-component epoxy zinc phosphate anti-rust primer for heavy-duty corrosion protection of steel structures.
It is described as having good water resistance, salt water resistance, corrosion resistance, durability, adhesion, impact resistance, and coating system compatibility.
Composition
Epoxy resin, zinc phosphate, pigments, synergistic anti-rust pigments, solvent, additives, and curing agent; two-component primer.
Typical uses
Heavy-duty anti-corrosion primer for steel structures in ports, docks, heavy structures, mining machinery, power machinery plants, and water conservancy projects.
Technical data (typical)
Appearance / color: Iron oxide red, gray.
Theoretical consumption: 0.12 kg/m² at 50 µm DFT (losses not included).
Density / specific gravity: 1.4 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): 7:1.
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 24 h; maximum 7 days.
Recommended DFT: 50–80 µm per coat (brush/roller: 30–50 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, acrylic topcoat.
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.
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