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VP 6073 Zinc-rich primer special dispers

The 6073 Zinc-Rich Primer Special Dispersant is a high-performance, non-ionic additive specifically engineered to address the complex stabilization challenges inherent in high-solids metallic coati…

Характеристики

Ключевые свойства и преимущества

  • Enhanced Wetting Efficiency: Rapidly displaces air and moisture from zinc powder surfaces, accelerating the grinding and dispersion process.
  • Superior Anti-Settling: Provides strong steric hindrance to prevent the formation of hard cakes, ensuring easy re-incorporation after storage.
  • Viscosity Reduction: Significantly lowers mill-base viscosity, allowing for higher pigment loading without compromising application properties.
  • Broad Compatibility: Exhibits excellent synergy with epoxy resins, polyurethanes, and various solvent-based systems commonly used in industrial coatings.
  • Improved Film Integrity: Enhances the uniformity of the zinc distribution, leading to denser films and improved long-term cathodic protection performance.
Спецификации

Технические особенности

  • Chemical Character: High molecular weight modified polycarboxylate/block copolymer solution, optimized specifically for metallic pigment stabilization.
  • Active Content: Typically maintained at 50% ± 2%, providing a concentrated solution for efficient dosage control in formulations.
  • Ionic Nature: Non-ionic/Anionic characteristics allow for stability across a wide range of solvent polarities and resin acid values.
  • Solvent System: Usually supplied in a blend of aromatic hydrocarbons (e.g., Xylene/PMA) to ensure seamless integration into solvent-borne primers.
  • Performance Stability: Maintains effectiveness across extreme temperature fluctuations, preventing flocculation during high-shear mixing or thermal aging cycles.
Практическое применение в отраслях

Области применения

  • Heavy-Duty Industrial Coatings: Primary component in two-pack epoxy zinc-rich primers for structural steel, bridges, and power plant infrastructure.
  • Marine & Offshore: Critical for ships’ hulls, offshore platforms, and coastal installations where high-performance anti-corrosive protection is mandatory.
  • Infrastructure Maintenance: Used in workshop primers and touch-up coatings to ensure consistent zinc distribution and ease of application.
  • Container Coatings: Ideal for high-solids coatings requiring fast-drying times and high pigment-to-binder ratios for logistical efficiency.
  • Automotive Undercoating: Applied in specialized zinc-rich formulations for chassis and undercarriage protection against salt and environmental abrasion.
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