2K epoxy coal tar coating engineered for low-temperature cure down to -10°C in severe corrosive environments. Suited for buried pipelines and steel structures. Sa2.5 prep, 50–60µm DFT per coat.
PLHL52-3 Winter-Grade Epoxy Coal Tar Bitumen Coating is a two-component winter-grade epoxy coal tar bitumen coating designed to cure under low-temperature conditions. This coating is used for corrosion protection of steel and concrete in severe corrosive environments and is suitable for the external anti-corrosion of buried pipelines.
It is composed of epoxy resin, coal tar pitch, anti-rust pigments, solvent, additives, catalyst, and a fast-drying curing agent, and is supplied as Part A and Part B.
Designed to cure under low-temperature conditions.
Suitable for corrosion protection of steel and concrete.
Suitable for severe corrosive environments.
Suitable for external anti-corrosion of buried pipelines.
Volume solids: ≥75%.
This coating is suitable for a wide range of steel and concrete protection projects in industrial environments.
Steel structures in severe corrosive environments
Concrete structures in severe corrosive environments
External anti-corrosion of buried pipelines
| Item | Data |
|---|---|
| Mixing Ratio (A:B) | 20:4 |
| Induction Time | 5 min |
| Pot Life | 4 h |
| Application Methods | spray, brush, roller |
| Thinner / Cleaner | HL52-6 dedicated thinner |
| Typical Dilution | 3–8% |
| Recoat Interval (25°C) | min 12 h; max 7 d |
| Recommended DFT per coat | 40–70 µm (brush/roller 30–40 µm) |
Blast to Sa 2.5 or power-tool clean to St 3; surface profile 30–75 µm.
| Item | Data |
|---|
| Item | Data |
|---|---|
| Product Type | Two-component winter-grade epoxy coal tar bitumen coating |
| Appearance | primer brown-black; topcoat black |
| Theoretical Consumption | 0.18 kg/m² at 60 µm DFT (loss not included) |
| Density | 1.32 kg/L |
| Volume Solids | ≥75% |
| Drying Time (25°C) | surface dry 1 h; hard dry 24 h; full cure 7 d |
| Packaging | Part A 20 kg; Part B 4 kg |
| Shelf Life | 12 months |
Storage
store in a dry, cool, ventilated place; keep away from fire; avoid strong sunlight; no outdoor storage.
System compatibility: winter-grade epoxy coal tar bitumen primer + winter-grade epoxy coal tar bitumen topcoat.
This product is a two-component winter-grade epoxy coal tar bitumen coating supplied as Part A and Part B.
This coating is used for steel and concrete.
This coating is used for corrosion protection in severe corrosive environments and for the external anti-corrosion of buried pipelines.
This coating can be applied by spray, brush, or roller.
HL52-6 dedicated thinner should be used, with 3–8% dilution.
The recommended dry film thickness per coat is 40–70 µm, or 30–40 µm by brush/roller.
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