PN-3 Cyanate Waterproof and Anti-Corrosion Coating

Overview
Cyanate waterproof and anti-corrosion coating supplied as primer and topcoat.​

Composition
Cyanate prepolymer, modified resin, adhesion promoter, pigments, solvent, moisture-proofing agent, vulcanization accelerator.​

Typical uses
Anti-corrosion protection for steel and concrete surfaces.​
Can be used as a waterproof flooring coating and for cooling tower internal wall protection.​

Technical data (typical)

• Appearance: primer iron red or grey; topcoat various colors.​

• Theoretical consumption: primer 0.17 kg/m² at 50 µm DFT (loss not included).​

• Theoretical consumption: topcoat 0.13 kg/m² at approx. 40 µm DFT (loss not included).​

• Density: primer 1.4 kg/L; topcoat 1.2 kg/L.​

• Drying time (25°C): surface dry 1 h; hard dry 24 h; full cure 7 d.​

Application data (25°C)

• Mixing ratio (A:B): primer 22:2.​

• Mixing ratio (A:B): topcoat 22:3.​

• Induction time: 5 min.​

• Pot life: 2 h.​

• Application methods: airless spray, brush, roller.​

• Thinner: X-5 cyanate thinner, 3–7%.​

• Recoat interval: min 12 h; max 7 d.​

• Recommended DFT per coat: 40–60 µm (brush/roller 30–45 µm).​

Surface preparation
Steel: blast to Sa 2.5 or power-tool clean to St 3; surface profile 30–75 µm.​
Concrete: sound and dry; moisture content ≤6%; clean and free of oil/dirt; repair defects before coating.​

System compatibility / packing / storage

• System compatibility: PN-3 cyanate waterproof and anti-corrosion primer + topcoat.​

• Packing: primer Part A 22 kg, Part B 2 kg; topcoat Part A 22 kg, Part B 3 kg.​

• Storage: dry, cool, ventilated; away from fire; avoid strong sunlight; no outdoor storage.​

• Shelf life: 12 months.