2K special epoxy primer with outstanding adhesion and impact resistance for demanding industrial applications. Engineered for power plants, bridges & petrochemical facilities. Compatible with all topcoat systems, 60µm DFT per coat.
PLH-20 Special Epoxy Primer is a two-component special epoxy primer cured with polyamine, formulated with modified epoxy resin, premium anti-rust pigments, composite anti-rust agents, additives, and solvent.
The product is formulated with modified epoxy resin, premium anti-rust pigments, composite anti-rust agents, additives, and solvent, and is supplied with a polyamine curing agent as Part A and Part B. It is described as having excellent adhesion, strong corrosion resistance, a tough and wear-resistant film, and good compatibility with subsequent coatings.
Designed for corrosion protection of facilities and equipment
Described as having excellent adhesion
Described as having strong corrosion resistance
Described as having a tough and wear-resistant film
Described as having good compatibility with subsequent coatings
Can be applied by airless spray, brush, or roller
This primer is suitable for corrosion protection projects in industrial and marine environments.
Typical application areas
Power facilities and equipment
Bridges
Petrochemical facilities and equipment
Marine environments
Port environments
| Item | Details |
|---|---|
| Mixing Ratio (A:B) | 25:2.5 |
| Induction Time | 5 min |
| Pot Life | 2 h |
| Application Methods | Airless spray, brush, roller |
| Thinner / Cleaner | X-7 epoxy thinner |
| Typical Dilution | 2–8% |
| Recoat Interval / Overcoating Interval (25°C) | Minimum 24 h; maximum 7 days |
| Recommended DFT | 60–80 µm per coat (brush/roller: 40–50 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 special epoxy primer |
| Appearance / Color | Iron oxide red, brownish, gray |
| Theoretical Consumption | 0.15 kg/m² at 50 µm DFT (losses not included) |
| Density / Specific Gravity | 1.4 kg/L |
| Drying / Curing (25°C) | Touch dry 1 h; hard dry 24 h; full cure 7 days |
| Packaging | Part A 25 kg; Part B 2.5 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, etc.
What is this primer used for?
This primer is used for corrosion protection of facilities and equipment in power, bridge, petrochemical, marine, and port environments.
What kind of product is this?
It is a two-component special epoxy primer cured with polyamine.
What application methods are recommended?
The product can be applied by airless spray, brush, or roller.
What is the pot life at 25°C?
The pot life is 2 h.
What is the recommended recoat interval?
The minimum recoat interval is 24 h at 25°C, and the maximum recoat interval is 7 days.
What coatings is it compatible with?
It is compatible with epoxy MIO intermediate coating, epoxy topcoat, polyurethane topcoat, etc.
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