Features Of EFKA 2040 Defoamer
Effective Defoaming: Rapidly gets rid of microfoam and macrofoam, enhancing surface finish.
Sustained Anti-Foaming: Delivers lasting foam control, perfect for high-shear settings.
Broad Compatibility: Works well with multiple water-based systems like pure acrylic and styrene-acrylic emulsions.
Environmentally Friendly: Meets environmental norms, applicable for indirect food contact uses.
Economical: Offers high cost-performance, suitable for large-scale applications.
Typical Applications Of EFKA 2040 Defoamer
Air-Drying Acrylic, Vinyl, or Chlorinated Resin Systems: Applied in industrial and decorative coatings to create a smooth surface.
Long or Medium Oil Alkyd Quick-Drying Coatings: Fits quick-drying industrial and decorative coatings, boosting coating results.
Two-Component Epoxy or Polyurethane Systems: Used in two-component epoxy resin and polyurethane coatings to enhance their performance.
Airless Spraying, Brushing, and Rolling: Adaptable to various application ways, solving bubble problems during use.
Specifications Of EFKA 2040 Defoamer
Chemical Name | Organosilicon defoamer |
Appearance | Clear, colorless liquid |
Density (20℃) | 0.80–0.82 g/cm³ |
Refractive Index | 1.410–1.420 |
Flash Point | 49℃ (120℉) |
Solvent | Diisobutyl ketone |
Packaging | 25kg/drum, 200kg/drum |
Origin | Germany |
EFKA 2040 Defoamer – Frequently Asked Questions (FAQ)
Q1: What types of formulations is EFKA 2040 Defoamer typically used in?
A: EFKA 2040 Defoamer is widely applied in water-based industrial coatings, architectural paints, adhesives, and construction mortars where rapid foam suppression and long-term defoaming performance are required.
Q2: How should EFKA 2040 be incorporated into a formulation?
A: It is generally added during the let-down or post-addition stage, after high-shear dispersion, to avoid re-entrainment of air. Pre-dilution with water or compatible solvent may improve uniform distribution in sensitive systems.
Q3: Does EFKA 2040 affect gloss or film appearance in finished coatings?
A: When used within recommended dosage ranges, EFKA 2040 exhibits excellent compatibility and minimal impact on gloss, clarity, or surface aesthetics in most aqueous systems.
Q4: Is EFKA 2040 suitable for low-VOC or zero-VOC formulations?
A: Yes — EFKA 2040 is a solvent-free, water-dispersible defoamer designed to support environmentally compliant formulations without compromising performance.
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