Nippon Paint Zinc Phosphate Primer FD (Fast Dry) is a high-performance, alkyd-based rust-inhibitive primer specifically formulated for the protection of iron and steel surfaces. Enriched with zinc phosphate pigments, it provides superior corrosion resistance compared to traditional red oxide primers.
The "Fast Dry" (FD) technology ensures a quick turnaround time in fabrication shops and on-site applications, making it an excellent choice for industrial environments, metal structures, and general steelwork where efficiency and long-term durability are critical.
Binder Type: Modified Alkyd resin for enhanced durability and adhesion.
Drying Time (at 30°C): Touch Dry in approximately 15 minutes; Hard Dry in 4 hours.
Recocoating Interval: Minimum 4 hours under normal atmospheric conditions.
Theoretical Coverage: Approximately 12.0 – 14.0 m² per litre per coat (at 35-40 microns DFT).
Volume Solids: Approximately 48% ± 2% by volume.
Flash Point: Highly flammable; handle with care in ventilated areas.
Finish: Low sheen / Matt finish to provide an ideal "key" for topcoat adhesion.
Thinning: For conventional spray, thin with 10–15% Nippon Paint General Purpose Thinner. For brush or roller application, thinning is usually not required (maximum 5% if necessary).
Mixing: Stir the paint thoroughly with a clean mechanical agitator or paddle before use to ensure the zinc phosphate pigments are fully dispersed.
Application Method: Can be applied via brush, roller, or spray. For industrial consistency, Airless Spray is recommended with a tip size of 0.015" – 0.017" and a pressure of 140–170 kg/cm².
System 1 (Standard Metal):
Primer: 1 Coat of Zinc Phosphate Primer FD (approx. 40μm DFT).
Topcoat: 2 Coats of Nippon Paint Micaceous Iron Oxide (MIO) or Nippon Paint 9000 Gloss Finish.
System 2 (High Performance):
Primer: 1-2 Coats of Zinc Phosphate Primer FD.
Topcoat: 2 Coats of Nippon Paint Bodelac 9000 for high-gloss aesthetic protection.
Degreasing: Remove all oil, grease, and dirt using a suitable solvent or alkaline cleaner in accordance with SSPC-SP1.
Rust Removal (Manual): For minor applications, use power tool cleaning (St 3) or hand tool cleaning (St 2) to remove loose rust and scale.
Abrasive Blasting: For optimum performance in corrosive environments, grit blasting to Sa 2.5 (ISO 8501-1:2007) is highly recommended.
Dryness: Ensure the surface is completely dry and free from condensation. The surface temperature must be at least 3°C above the dew point.
Dust Removal: After cleaning or blasting, ensure all dust and debris are removed via vacuum or clean compressed air before the first coat of primer is applied.
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