W61-600 Silicone High-Temperature Anti-Corrosion Coating

Overview
Two-component silicone high-temperature anti-corrosion coating system supplied as primer and topcoat, for 600–700°C service.​

Composition
High-temperature silicone resin, silicone resin, heat-resistant pigments, functional pigments, anti-corrosion additives, auxiliaries, curing agent; supplied as primer and topcoat.​

Typical uses
Protection and decoration for high-temperature steel equipment, components, and pipelines at 600–700°C.​

Technical data (typical)

• Appearance: primer grey/iron red; topcoat white, silver grey, black, green, etc.​

• Theoretical consumption: primer 0.11 kg/m² at 30 µm DFT (loss not included).​

• Theoretical consumption: topcoat 0.12 kg/m² at 30 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 25:0.5; topcoat 20:0.4.​

• Induction time: none.​

• Pot life: 4 h.​

• Application methods: airless spray, brush.​

• Thinner: W61 dedicated thinner, 4–9%.​

• Recoat interval: min 24 h; max unlimited.​

• Recommended DFT per coat: 20–30 µm (brush 20–30 µm).​

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: W61-600/700 silicone high-temperature primer + topcoat.​

• Packing: Part A 25 kg; Part B 0.5 kg.​

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

• Shelf life: 6 months.