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2K acrylic polyurethane enamel with outstanding salt spray resistance, UV resistance and color retention for automotive, construction machinery, ships and bridges. Excellent adhesion and high film hardness. Surface dry in 30 minutes, 25µm DFT.
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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