Acrylic polyurethane enamel topcoat (2K) for outdoor weatherable steel finishing.
Automobiles, ships, bridges, construction machinery.
0.13 kg/m² at 40 µm; pot life 4 h.
Full PU primer/intermediate/topcoat system.
Overview
Two-component acrylic polyurethane enamel topcoat for steel structures and equipment requiring weatherability and corrosion resistance in outdoor exposure.
Film emphasizes balanced hardness, adhesion, gloss/color retention, and resistance to damp-heat and salt spray on automotive and structural steel.
Composition
Part A: acrylic resin with high-durability pigments/fillers, additives, and solvent.
Part B: biuret curing agent.
Typical uses
High-weatherability decorative topcoat for automobiles, construction machinery, ships, bridges, and steel structures in outdoor service.
Technical data (typical)
Color: various colors.
Density: 1.2 kg/L.
Theoretical consumption: 0.13 kg/m² at 40 µm DFT (loss not included).
Drying time (25℃): surface dry 1 h; hard dry 24 h; full cure 7 d.
Application data (25°C)
Mixing ratio (Part A:Part B): 20:2.
Induction time: 5 min at 25℃.
Pot life: 4 h at 25℃.
Application methods: airless spray, brush.
Thinner: dedicated thinner, 2–8% (higher for air spray/roller).
Recoat interval: min 24 h; max 7 d.
Recommended coats/DFT: 1 coat 30–50 µm; brush/roller 1 coat 30–40 µm.
Recommended system: acrylic polyurethane primer + acrylic polyurethane intermediate coating + acrylic polyurethane enamel topcoat.
Surface preparation
Over primer: primer surface free of oil and dust; do not exceed maximum recoat interval; roughen if exceeded.
As first primer: blast-clean to Sa 2.5 or power-tool clean to St 3; surface profile 30–75 µm.
System compatibility / packing / storage
System compatibility: topcoat in full acrylic polyurethane systems for outdoor steel structures.
Construction conditions: RH ≤85%; 5–35℃; avoid rain/snow, strong wind (>6.7 m/s), heavy fog, intense sunlight.
Storage: dry, ventilated warehouse away from fire/heat sources; no outdoor stacking; shelf life 12 months.
Packing: Part A 20 kg; Part B 2 kg.
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Protect. Perform. Endure. – Advanced Coatings for Industrial Excellence.
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