Acid-resistant coating (2K) for harsh chemical plants and pickling lines.
Pickling, galvanizing, electroplating, petrochemical sites.
Mix ratio 21:7; pot life 4 h.
Resists acids, alkalis, salts, chemical atmospheres.
Overview
Two-component acid-resistant coating system supplied as primer, intermediate coating, and topcoat for severe corrosive environments.
Composition
Epoxy-containing hydroxyl resin, corrosion-resistant pigments and fillers, solvent, additives; polyisocyanate adduct as curing agent; supplied as two components for primer/intermediate/topcoat.
Typical uses
Protective and decorative coating for equipment and facilities in harsh corrosive conditions, including pickling plants, hot-dip galvanizing, electroplating plants, and petrochemical enterprises.
Technical data (typical)
Appearance: primer iron red; intermediate iron brown; topcoat various colors.
Theoretical consumption: primer 0.11 kg/m² (loss not included).
Theoretical consumption: intermediate 0.13 kg/m² (loss not included).
Theoretical consumption: topcoat 0.11 kg/m² (loss not included).
DFT: primer 40 µm; intermediate 45 µm; topcoat 40 µm.
Density: primer 1.40 kg/L; intermediate approx. 1.45 kg/L; topcoat 1.35 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): 21:7.
Induction time: 5 min.
Pot life: 4 h.
Application methods: airless spray, brush, roller.
Thinner: HS dedicated acid-resistant thinner, 3–8%.
Recoat interval: min 24 h; max 7 d.
Recommended DFT per coat: 60–80 µm (brush/roller 30–40 µm).
System: HS50 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: HS50 acid-resistant primer + intermediate + topcoat.
Packing: Part A 21 kg; Part B 7 kg.
Storage: dry, cool, ventilated; away from fire; avoid strong sunlight; no outdoor storage.
Shelf life: 12 months.
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Protect. Perform. Endure. – Advanced Coatings for Industrial Excellence.
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