ISO 9001:2015 Certified

PLHL52-3 Winter-Grade Epoxy Coal Tar Bitumen Coating

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.

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PLHL52-3 Winter-Grade Epoxy Coal Tar Bitumen Coating Description

Overview

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.

Key Benefits

  • 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.

Typical application areas

  • Steel structures in severe corrosive environments

  • Concrete structures in severe corrosive environments

  • External anti-corrosion of buried pipelines

Application Guide

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)

Surface Preparation

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

Technical 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

System compatibility: winter-grade epoxy coal tar bitumen primer + winter-grade epoxy coal tar bitumen topcoat.

Frequently Asked Questions

What type of product is this?

This product is a two-component winter-grade epoxy coal tar bitumen coating supplied as Part A and Part B.

What substrates is this coating used for?

This coating is used for steel and concrete.

What is this coating typically used for?

This coating is used for corrosion protection in severe corrosive environments and for the external anti-corrosion of buried pipelines.

What application methods can be used?

This coating can be applied by spray, brush, or roller.

What thinner should be used?

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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