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