Epoxy zinc phosphate anti-rust primer (2K) for heavy-duty steel corrosion protection.
For ports/docks, heavy structures, mining machinery, power machinery plants, and water conservancy steelwork.
Zinc phosphate anti-rust pigment system with stated water and salt water resistance.
Mix ratio 7:1; theoretical consumption 0.12 kg/m² at 50 µm DFT.
PLH53-6 Epoxy Zinc Phosphate Anti-Rust Primer is a two-component epoxy zinc phosphate anti-rust primer for heavy-duty corrosion protection of steel structures.
The product is formulated with epoxy resin, zinc phosphate, pigments, synergistic anti-rust pigments, solvent, additives, and curing agent. It is described as having good water resistance, salt water resistance, corrosion resistance, durability, adhesion, impact resistance, and coating system compatibility.
Designed for heavy-duty corrosion protection of steel structures
Described as having good water resistance
Described as having good salt water resistance and corrosion resistance
Described as having durability, adhesion, and impact resistance
Suitable for heavy-duty anti-corrosion applications
Compatible with multiple topcoat systems
This primer is suitable for heavy-duty steel protection projects in industrial and marine environments.
Typical application areas
Ports
Docks
Heavy structures
Mining machinery
Power machinery plants
Water conservancy projects
Abrasive blasting or shot blasting to Sa 2.5, or power-tool cleaning to St 3; surface profile 30–75 µm.
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, and acrylic topcoat.
What is this primer used for?
This primer is used as a heavy-duty anti-corrosion primer for steel structures.
What application areas is it suitable for?
The product is suitable for ports, docks, heavy structures, mining machinery, power machinery plants, and water conservancy projects.
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, or power-tool cleaning to St 3, with a surface profile of 30–75 µm.
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, and acrylic topcoat.
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Bond strength test result: 0.11 MPa.
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Fast drying at 25°C, RH 70–85%: touch dry 10 min; hard dry 2 h; cured 24 h.
Mix ratio 28:7; thinner X-11 inorganic zinc thinner (5–20%); compatible with epoxy/PU coating systems.
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For power, bridge, petrochemical, marine, and port facilities/equipment.
Pot life 2 h (25°C); mix ratio 25:2.5.
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For cement mortar, concrete, and fiber cement boards; also stated for wood.
Concrete moisture content < 6% before application (as stated).
Mix ratio 16:4; theoretical consumption 0.29 kg/m² at 50 µm DFT.
Protect. Perform. Endure. – Advanced Coatings for Industrial Excellence.
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