GZ-2 New Polymer Anti-Corrosion Coating

Overview
Multi-layer anti-corrosion coating system (primer/intermediate/topcoat) for pipelines, tanks, and steel structures.​

Composition
Olefin-modified epoxy resin and polyurethane resin binder, with pigments/fillers, additives, solvent.​

Typical uses
Anti-corrosion for internal/external walls of municipal water supply and power plant circulating water pipelines.​
Anti-corrosion for metallurgy and chemical industries, steel structures and storage tanks, oil pipelines, and sewage pipelines.​

Technical data (typical)

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

• Theoretical consumption: primer 0.15 kg/m² at 50 µm DFT (loss not included).​

• Theoretical consumption: intermediate 0.15 kg/m² at 50 µm DFT (loss not included).​

• Theoretical consumption: topcoat 0.16 kg/m² at 50 µm DFT (loss not included).​

• Density: primer 1.37 kg/L; intermediate 1.43 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 24:3; intermediate 27:3; topcoat 18:3.​

• Induction time: 5 min.​

• Pot life: 4 h.​

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

• Thinner: dedicated thinner, 3–8%.​

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

• Recommended DFT per coat: 40–70 µm (brush/roller 30–40 µm).​

• System: GZ-2 primer + intermediate + topcoat.​

Surface preparation
Steel: blast to Sa 2.5 or power-tool clean to St 3; surface profile 30–75 µm.​

System compatibility / packing / storage

• System compatibility: GZ-2 primer + intermediate + topcoat.​

• Packing: primer Part A 24 kg, Part B 3 kg; intermediate Part A 27 kg, Part B 3 kg; topcoat Part A 18 kg, Part B 3 kg.​

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

• Shelf life: 12 months.