Overview

PLHS-1 Epoxy Polyurethane Heavy-Duty Anti-Corrosion Coating is a two-component heavy-duty anti-corrosion coating based on epoxy and polyurethane chemistry for steel structures, pipelines, tanks, bridges, and wharves.
This coating is used for corrosion protection on steel structures, gas pipelines, chemical facilities and pipelines, oil tanks and vessels, bridges and wharves, gas holders, motors and electrical equipment, aluminium alloy, and cement substrates.

It is composed of polyurethane prepolymer, epoxy resin, special additives, pigments, solvent, and auxiliaries.

Key Benefits

Based on epoxy and polyurethane chemistry.
Suitable for steel structures, pipelines, tanks, bridges, and wharves.
Suitable for gas holders, motors and electrical equipment.
Suitable for aluminium alloy and cement substrates.
Medium resistance: 60 d no blistering, no peeling, no rusting (5% acid/alkali/salt).

Recommended Uses

This coating is suitable for a wide range of steel protection projects in industrial and marine environments.

Typical application areas

Steel structures
Gas pipelines
Chemical facilities
Chemical pipelines
Oil tanks
Vessels
Bridges
Wharves
Gas holders
Motors and electrical equipment
Aluminium alloy substrates
Cement substrates

Application Guide

Item	Data
Mixing Ratio (A:B)	24:3
Induction Time	5 min
Pot Life	2 h
Application Methods	airless spray, brush, roller
Thinner / Cleaner	dedicated thinner, 2–8%
Recoat Interval	min 12 h; max 7 d
Recommended DFT per coat	50–80 µm (brush/roller 40–60 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 heavy-duty anti-corrosion coating based on epoxy and polyurethane chemistry
Appearance	various colors
Theoretical Consumption	0.16 kg/m² at 50 µm DFT (loss not included)
Density	1.35
Drying Time (25°C)	surface dry 1 h; hard dry 24 h; full cure 7 d
Medium Resistance	60 d no blistering, no peeling, no rusting (5% acid/alkali/salt)
Packaging	Part A 24 kg; Part B 3 kg
Shelf Life	12 months

Storage
dry, cool, ventilated; away from fire; avoid strong sunlight; no outdoor storage.

System Compatibility

System compatibility: epoxy polyurethane heavy-duty primer + topcoat.

Frequently Asked Questions

What type of product is this?

This product is a two-component heavy-duty anti-corrosion coating based on epoxy and polyurethane chemistry.

What substrates can this coating be used on?

This coating can be used on steel, aluminium alloy, and cement substrates.

What are the typical uses of this coating?

This coating is used for steel structures, gas pipelines, chemical facilities and pipelines, oil tanks and vessels, bridges and wharves, gas holders, and motors and electrical equipment.

What application methods can be used?

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

What is the recommended dry film thickness per coat?

The recommended dry film thickness per coat is 50–80 µm, or 40–60 µm by brush or roller.

What medium resistance data is provided?

The stated medium resistance is 60 d no blistering, no peeling, no rusting (5% acid/alkali/salt).

PLHS-1 Epoxy Polyurethane Heavy-Duty Anti-Corrosion Coating