PLH53-2 Epoxy Iron Oxide Red Anti-Rust Primer

Epoxy Iron Oxide Red Anti-Rust Primer (2K) – Two-component epoxy anti-rust primer for steel structures.

For general steel structure corrosion protection; can be used for concrete with an epoxy sealer primer.
Mix ratio 24:3; pot life 4 h (25°C).
Recoat 24 h–7 d (25°C); overcoatable with epoxy and polyurethane systems.

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

Recommended Uses

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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