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PLH53-2 Epoxy Iron Oxide Red Anti-Rust Primer

2K epoxy iron oxide primer with impact-resistant film and strong adhesion on steel and concrete. Compatible with polyurethane, alkyd & chlorinated rubber topcoat systems. Ambient cure at 25°C, 35–40µm DFT.

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PLH53-2 Epoxy Iron Oxide Red Anti-Rust Primer Description

Overview

PLH53-2 Epoxy Iron Oxide Red Anti-Rust Primer is a two-component epoxy anti-rust primer for corrosion protection of steel structures; when used with an epoxy sealer primer, it can also serve as a concrete anti-corrosion primer.

The product is formulated with epoxy resin, iron oxide red, anti-rust additives, additives, and solvents, and is cured with a polyamine adduct. It is supplied as Part A and Part B.

Key Benefits

  • Designed for corrosion protection of steel structures

  • Suitable for use as an anti-corrosion primer on steel substrates

  • Can also be used as a concrete anti-corrosion primer when used with an epoxy sealer primer

  • Can be applied by airless spray, brush, or roller

  • Compatible with a wide range of intermediate coatings and topcoats

This primer is suitable for corrosion protection projects on steel structures and related industrial substrates.

Typical application areas

  • Various steel structures

  • Steel structures requiring anti-corrosion protection

  • Concrete anti-corrosion priming when used with an epoxy sealer primer

Application Guide

Item Details
Mixing Ratio (A:B) 24:3
Induction Time 5 min
Pot Life 4 h
Application Methods Airless spray, brush, roller
Thinner / Cleaner X-7 epoxy thinner
Typical Dilution 2–8% (air spray/roller may require more)
Recoat Interval / Overcoating Interval (25°C) Minimum 24 h; maximum 7 days
Recommended DFT 50–80 µm per coat (brush/roller: 35–55 µm per coat)

Surface Preparation

Abrasive blasting or shot blasting to Sa 2.5, or power-tool cleaning to St 3. Surface profile: 30–75 µm.

Technical Data

Item Value
Product Type Two-component epoxy anti-rust primer
Appearance / Color Iron oxide red
Theoretical Consumption 0.16 kg/m² at 50 µm DFT (losses not included)
Density / Specific Gravity Approx. 1.4 kg/L
Drying / Curing (25°C) Touch dry 1 h; hard dry 24 h; full cure 7 days
Packaging Part A 24 kg; Part B 3 kg
Shelf Life 12 months

Storage
Store in a dry, cool, ventilated warehouse away from fire sources and direct sunlight; outdoor storage is not permitted.

System Compatibility

This primer is compatible with epoxy MIO intermediate coating, epoxy topcoat, polyurethane topcoat, acrylic topcoat, chlorinated rubber topcoat, high chlorinated polyethylene topcoat, chlorosulfonated polyethylene topcoat, and chlorinated ether topcoat.

Frequently Asked Questions

What is this primer used for?
This primer is used for corrosion protection of steel structures and can also serve as a concrete anti-corrosion primer when used with an epoxy sealer primer.

Can this primer be used on concrete?
Yes. When used with an epoxy sealer primer, the product can also serve as a concrete anti-corrosion primer.

What application methods are recommended?
The product can be applied by airless spray, brush, or roller.

What surface preparation is required before application?
Abrasive blasting or shot blasting to Sa 2.5 is recommended, or power-tool cleaning to St 3. A surface profile of 30–75 µm is specified.

What is the recommended recoat interval?
The minimum recoat interval is 24 h at 25°C, and the maximum interval is 7 days.

What coatings is it compatible with?
It is compatible with epoxy MIO intermediate coating, epoxy topcoat, polyurethane topcoat, acrylic topcoat, chlorinated rubber topcoat, high chlorinated polyethylene topcoat, chlorosulfonated polyethylene topcoat, and chlorinated ether topcoat.

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