2K epoxy sealer primer engineered for deep penetration and encapsulation of concrete and cement substrates. Seals and stabilizes surfaces to optimize adhesion for subsequent coating systems. Surface dry in 1 hour, full cure in 7 days.
PLH53-9 Epoxy Sealer Primer is a two-component epoxy sealer primer formulated for penetration and sealing on cement concrete substrates and wood, with good adhesion and sealing performance.
The product is formulated with epoxy resin, solvent, additives, and an imported curing agent, and is supplied as Part A and Part B. It is specified as a dedicated compatible sealer primer for substrates such as cement mortar, concrete, and fiber cement boards.
Formulated for penetration and sealing on cement concrete substrates and wood
Described as having good adhesion
Described as having good sealing performance
Specified as a dedicated compatible sealer primer for cement mortar, concrete, and fiber cement boards
Suitable for porous substrates
Can be applied by airless spray and brush
This primer is suitable for sealing and substrate preparation in coating systems for concrete, cement-based, and related porous surfaces.
Typical application areas
Cement mortar
Concrete
Fiber cement boards
Porous substrates
Wood
Steel structure anti-corrosion and anti-rust
Concrete corrosion protection
| Item | Details |
|---|---|
| Mixing Ratio (A:B) | 16:4 |
| Induction Time | 5 min |
| Pot Life | 4 h |
| Application Methods | Airless spray, brush |
| 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 | 40–75 µm per coat (brush/roller: 30–40 µm per coat) |
Concrete substrate must be clean, dry, free of oil/grease, and free of acid/alkali; moisture content < 6%; with suitable roughness and strength.
| Item | Value |
|---|---|
| Product Type | Two-component epoxy sealer primer |
| Appearance / Color | Light yellow, transparent |
| Theoretical Consumption | 0.29 kg/m² at 50 µm DFT (losses not included) |
| Density / Specific Gravity | 1.1 kg/L |
| Drying / Curing (25°C) | Touch dry 1 h; hard dry 24 h; full cure 7 days |
| Packaging | Part A 16 kg; Part B 4 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 primer, vinyl primer, polyurethane primer, etc.
What is this sealer primer used for?
This sealer primer is used for penetration and sealing on cement concrete substrates and wood, and as a compatible sealer primer for subsequent coatings.
What substrates is it suitable for?
The product is suitable for cement mortar, concrete, fiber cement boards, porous substrates, and wood.
Can it be used for steel structure and concrete protection?
Yes. It is also stated to be suitable for steel structure anti-corrosion and anti-rust as well as concrete corrosion protection.
What application methods are recommended?
The product can be applied by airless spray and brush.
What surface preparation is required before application?
Concrete substrate must be clean, dry, free of oil/grease, and free of acid/alkali; moisture content < 6%; with suitable roughness and strength.
What primers is it compatible with?
It is compatible with epoxy primer, vinyl primer, polyurethane primer, etc.
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