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VP 7361 Modified Acrylate выравнивающий

The 7361 Modified Acrylate Levelling Agent represents a high-performance, silicone-free surface additive specifically engineered to optimize the surface tension of liquid coatings and ink systems. …

Характеристики

Ключевые свойства и преимущества

  • Superior Surface Tension Reduction: Rapidly reduces interfacial tension to eliminate craters, fish-eyes, and pinholes during application.
  • Silicone-Free Composition: Ensures excellent recoatability and prevents inter-coat adhesion failure or surface contamination in sensitive production lines.
  • Enhanced Flow and Leveling: Promotes smooth finishes by eliminating orange peel and brush marks in solvent-borne systems.
  • Broad Compatibility: Exhibits excellent solubility across various resins including epoxies, polyurethanes, alkyds, and unsaturated polyesters.
  • Clarity Preservation: Maintains optical transparency and gloss retention in clear coats without causing haze or turbidity.
  • Substrate Wetting: Optimizes wetting on low-energy metallic and plastic substrates. It significantly improves the overall aesthetic appeal of coatings.
Спецификации

Технические особенности

  • Chemical Nature: Fluorocarbon-modified polyacrylate polymer solution. (Note: 7361 is an industry model designation; common base polymers include CAS 26376-86-3).
  • Active Content: Typically ranges from 50% to 52% non-volatile matter in aromatic hydrocarbon solvents.
  • Density Profile: Approximately 0.95–1.05 g/cm³ at 20°C, ensuring easy dispersion within standard liquid coating matrices.
  • Refractive Index: Optimized to match common industrial resins (1.460–1.480) for maximum film clarity and depth.
  • Dosage Parameters: Effective at low concentrations, generally between 0.1% and 1.0% based on total formulation weight.
  • Flash Point: Characterized by a flash point above 40°C, requiring standard flammable liquid handling and storage protocols.
  • Viscosity: Low-viscosity liquid facilitates seamless incorporation during the let-down stage. It remains stable across diverse thermal conditions.
Практическое применение в отраслях

Области применения

  • Automotive Finishes: Provides high-gloss, mirror-like finishes in OEM basecoats and clearcoats while ensuring interlayer adhesion stability.
  • Industrial Coatings: Ideal for machinery, equipment, and structural steel coatings to prevent surface defects in high-thickness films.
  • Wood Coatings: Enhances leveling and flow in solvent-based lacquers, improving the wetting of grain textures and pores.
  • Printing Inks: Improves printability and dot gain in gravure and flexographic inks by stabilizing surface tension on plastic films.
  • Coil Coatings: Ensures uniform film formation in high-speed application lines where rapid wetting is critical.
  • Electronic Materials: Used in protective coatings for printed circuit boards, ensuring smooth coverage over intricate components.
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