EFKA PB2720 (EFKA-2720), a silicone-free defoamer, is designed for solvent-based coating systems, ideal for unsaturated polyester, epoxy resins, and PVC compounds. It offers strong defoaming and long-term anti-foaming capabilities, effectively removing both microfoam and macrofoam—particularly suited for high-shear or high-speed applications. It meets environmental standards, ensuring safety and reliability.
Efficient Defoaming: Rapidly eliminates microfoam and macrofoam, enhancing surface quality.
Long-Lasting Anti-Foaming: Delivers persistent foam suppression, suitable for high-shear environments.
High Compatibility: Works well with various water-based systems like pure acrylic and styrene-acrylic emulsions.
Eco-Friendly: Complies with environmental standards, suitable for indirect food contact applications.
Cost-Effective: Boasts a high cost-performance ratio, fit for large-scale use.
Unsaturated Polyester: Applied in SMC/BMC gel coats and synthetic mortars to create a smooth surface.
Epoxy Resins: Used in two-component epoxy resin coatings to boost coating effects.
PVC Compounds: Added to PVC composites to resolve bubble issues.
Pigmented or Non-Pigmented Resin Systems: When paired with EFKA FA 4644, it lowers viscosity and improves air release performance.
Chemical Name | Silicone-free defoaming substance solution |
Appearance | Colorless, transparent to slightly hazy liquid |
Active Content | 100% |
Density (20℃) | 0.82–0.84 g/cm³ |
Refractive Index | 1.467–1.477 |
Flash Point | 26℃ (79℉) |
Solvent | Alkylbenzene/Industrial alcohol |
Packaging | 20kg/drum, 200kg/drum |
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