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ISO 9001:2015 Certified
2K acrylic polyurethane iron oxide primer with excellent adhesion, solvent resistance and corrosion protection for automotive, construction machinery, ships and steel bridges. High film hardness. Sa2.5 prep, surface dry in 30 minutes, 35µm DFT.
Overview
Two-component acrylic polyurethane anti-corrosion primer for steel substrates on vehicles, ships, bridges, and steel structures where mechanical strength and chemical resistance are required.
Performance focus: adhesion and hardness with anti-rust protection, plus resistance to damp-heat, solvents, and chemicals.
Composition
Part A: hydroxyl acrylic resin with iron red, anti-rust pigments, and additives.
Part B: polyisocyanate curing agent.
Typical uses
Anti-rust primer for automobiles, construction machinery, mining machinery, ships, bridges, and steel structures.
Technical data (typical)
Color: various colors.
Theoretical consumption: 0.11 kg/m² at 35 µm DFT (loss not included).
Density: 1.37 kg/L.
Drying time (25℃): surface dry ≤0.5 h; hard dry ≤7 h; full cure 7 d.
Application data (25°C)
Mixing ratio (Part A:Part B): 16:4.
Induction time: 5 min.
Pot life: 4 h.
Application methods: airless spray, brush.
Thinner: dedicated thinner, 2–8% (higher for air spray/roller).
Recoat interval: min 8 h; max 7 d.
Recommended coats/DFT: 1 coat 40–60 µm; brush/roller 1 coat 30–45 µm.
Recommended system: acrylic polyurethane primer + acrylic polyurethane intermediate coating + acrylic polyurethane enamel coating.
Application conditions: RH ≤85%; 5–35℃; avoid rain/snow, strong wind (>6.7 m/s), heavy fog, intense sunlight.
Surface preparation
Blast-clean to Sa 2.5 or power-tool clean to St 3; surface profile 30–75 µm.
System compatibility / packing / storage
Compatibility: used with acrylic polyurethane intermediate coating and acrylic polyurethane enamel coating.
Packing: Part A 16 kg; Part B 4 kg.
Storage: shelf life 12 months.
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