PLHS-2 Epoxy Waterline Coating

Overview
Two-component epoxy waterline coating for steel hull areas requiring thick-film build and wet/dry cycling resistance.
Performance focus: water resistance, damp-heat corrosion resistance, hardness, abrasion resistance, and wave impact resistance.

Composition
Modified epoxy resin with premium pigments, solvent, additives, and polyamide adduct curing agent; Part A & Part B.

Typical uses
Protection and decoration for waterline area substrates.

Technical data (typical)

• Appearance: iron red, purple red.

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

• Density: 1.4 kg/L.

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

Application data (25°C)

• Mixing ratio (Part A:Part B): 24:3.

• Induction time: 5 min at 25℃.

• Pot life: 4 h at 25℃.

• Application methods: airless spray, brush, roller.

• Thinner: X-7 epoxy thinner, 2–8% (higher for air spray/roller).

• Recoat interval: min 24 h; max 7 d.

• Recommended coats/DFT: 1 coat 40–80 µm; brush/roller 1 coat 30–40 µm.

• Recommended system: epoxy primer + epoxy intermediate coating.

Surface preparation
Over primer: surfaces must be clean, dry, and free of contamination; roughen if maximum recoat interval exceeded.
As first primer: blast-clean steel to Sa 2.5 or power-tool clean to St 3; surface profile 30–75 µm.

System compatibility / packing / storage

• Compatibility: used with epoxy primer and epoxy intermediate coating; apply at 5–35℃ and RH ≤85%, avoid rain/snow/strong wind (>6.7 m/s)/heavy fog/intense sunlight.

• Packing: Part A 24 kg; Part B 3 kg.

• Storage: store in a dry, cool, ventilated warehouse; keep away from fire sources; avoid strong sunlight; no outdoor stacking; shelf life 12 months.