Defoamer, Solvent-borne, Speciality Additive

VP 5300A Silicone-free defoamer

The 5300A Silicone-free defoamer represents a high-performance chemical solution engineered specifically for systems where silicone contamination is strictly prohibited. This advanced formulation is comprised of a synergistic blend of fatty acid esters and polyether derivatives, designed to facilitate rapid air release and foam suppression without compromising surface adhesion or clarity. Unlike traditional silicone-based additives, 5300A minimizes the risk of surface defects such as craters, pinholes, or “fish-eyes” in sensitive coating applications. Its unique chemical architecture allows it to maintain exceptional stability across a broad pH range and varying temperature gradients, ensuring consistent performance during high-shear mixing and application processes. As a non-ionic surfactant blend, it integrates seamlessly into both aqueous and non-aqueous media, providing versatile deaeration capabilities for industrial formulations. By prioritizing environmental compatibility and technical efficiency, the 5300A grade serves as an essential component for manufacturers seeking high-quality finishes in automotive, wood, and industrial protective coatings environments utilized globally.

Attributes

Key Features and Benefits

Silicone-free composition: Eliminates intercoat adhesion failures and surface tension-related defects like fish-eyes or cratering in topcoats.
Universal Compatibility: Highly effective in water-based, solvent-based, and UV-curable systems, ensuring broad versatility across diverse manufacturing lines.
Rapid Deaeration: Accelerates the release of micro-foam and entrapped air during high-speed dispersion, reducing processing time and increasing output.
Enhanced Surface Quality: Promotes a smooth, high-gloss finish by maintaining the integrity of the film-forming polymer matrix.
Thermal Stability: Operates efficiently under varied processing temperatures without decomposing or losing its defoaming potency, ensuring reliable results in rigorous environments. This product consistently delivers peak performance across various industrial sectors.

Specifications

Technical Highlights

Chemical Nature: Proprietary blend of fatty acid esters and polyether-modified compounds (CAS: Proprietary/Complex Mixture).
Active Content: Approximately 100% active matter, ensuring high concentration and low dosage requirements.
Solubility: Fully dispersible in hydrocarbons and polar solvents; emulsifiable in aqueous systems.
Viscosity: Low-viscosity liquid (200–800 mPa·s at 25°C) facilitating easy incorporation without pre-dilution.
Density: Specific gravity ranges between 0.85 and 0.95 g/cm³.
pH Sensitivity: Stable in acidic and alkaline environments (pH 3–11).
Dosage: Recommended loading level is 0.1% to 0.5% based on total formulation weight, depending on the severity of foaming. The product offers consistent quality control measures for optimized technical reliability.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Automotive Coatings: Ideal for primers and basecoats where silicone-free surfaces are mandatory for subsequent layer adhesion.
Wood Finishes: Prevents bubbling and surface irregularities in clear coats and lacquers used on high-quality furniture.
Industrial Adhesives: Optimizes application consistency in waterborne and solvent-based adhesives by eliminating air pockets.
Printing Inks: Enhances clarity and color depth in flexographic and gravure inks by suppressing foam during high-speed printing.
Textile Processing: Used in dyeing and finishing baths to ensure uniform chemical penetration.
Construction Chemicals: Effectively manages air entrainment in polymer-modified mortars and self-leveling flooring compounds. These applications benefit from the high-performance properties provided by 5300A.