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2K polyurethane MIO primer and intermediate coat with outstanding barrier performance and inter-coat adhesion for steel structures. Suited for chemical plants and aggressive corrosive environments. Fast-drying, 45µm DFT per coat.
Overview
Two-component micaceous iron oxide anti-rust coating / intermediate coating with shielding effect and anti-corrosion performance.
Designed for good intercoat adhesion with primers and topcoats; fast drying and low-temperature applicability.
Composition
Based on polyurethane resin, micaceous iron oxide (MIO) powder, quality pigments, solvents, and additives.
Cured with polyisocyanate; supplied in Part A & Part B packs.
Typical uses
Intermediate coating for polyurethane coating systems to improve sealing and build.
Can also be used as the first coat primer.
Technical data (typical)
Appearance: Grey; brown.
Theoretical consumption: 0.14 kg/m² at 50 μm DFT (excluding loss).
Density: 1.45 kg/L.
Drying time (25°C): Surface dry 2 h; hard dry 24 h; fully cured 7 d.
Application data (25°C)
Mixing ratio (Part A:Part B): 9:1.
Induction time: 5 min.
Pot life: 3 h.
Application methods: Airless spray, brush, roller.
Thinner: X-10 polyurethane thinner; dilution 3–7%.
Recoat interval (25°C): Min 24 h; max 7 d.
Recommended coats / DFT: 1 coat 40–70 μm; brush/roller 1 coat 30–40 μm.
Surface preparation
Remove dust, oil, and debris from the previous coat; if beyond maximum recoat interval, roughen the surface.
When used as the first coat: blast/shot blast to Sa 2.5 or power-tool cleaning to St 3; surface profile 30–75 μm.
System compatibility / packing / storage
Compatibility: Polyurethane topcoat; acrylic polyurethane topcoat.
Packing: Part A 27 kg; Part B 3 kg.
Storage: Shelf life 12 months; store dry/cool/ventilated, away from fire and direct sunlight; no outdoor stacking.
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