Overview
Two-component epoxy coal tar bitumen anti-corrosion coating supplied as primer and topcoat.​

Composition
Epoxy resin, coal tar pitch, anti-rust pigments, fillers, solvent, additives; modified amine curing agent; supplied as Part A & Part B.​

Typical uses
Long-term anti-corrosion for external surfaces of buried pipelines.​
Also used for bottom plates of liquid storage tanks and steel/concrete in submerged or wet-dry alternating environments.​

Technical data (typical)

• Appearance: primer brown-black; topcoat black.​

• Theoretical consumption: PLHL52-4 0.17 kg/m² at 60 µm (loss not included).​

• Density: primer 1.35 kg/L; topcoat 1.3 kg/L.​

• Drying time (25°C): surface dry 2 h; hard dry 24 h; full cure 7 d.​

Application data (25°C)

• Mixing ratio (A:B): 7:1.​

• Induction time: 5 min.​

• Pot life: 4 h.​

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

• Thinner: X-7 epoxy thinner, 2–8%.​

• Recoat interval (25°C): min 12 h; max 7 d.​

• Recommended DFT per coat: 50–80 µm (brush/roller 35–50 µm).​

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

System compatibility / packing / storage

• System compatibility: (high-build) epoxy coal tar bitumen primer + (high-build) epoxy coal tar bitumen topcoat.​

• Packing: Part A 22 kg; Part B 3 kg.​

• Storage: store in a dry, cool, ventilated place; keep away from fire; avoid strong sunlight; no outdoor storage.​

• Shelf life: 12 months.