Haimins DAPRO DF7079 is a high-efficiency water-based defoamer, specifically formulated as a VOC-free, mineral oil-based solution with hydrophobic silica. It is designed for waterborne decorative paints and coatings, with notable effectiveness in polyurethane coatings, high-gloss topcoats, and varnishes. This defoamer provides reliable foam control across critical production phases, ensuring product quality and performance in aqueous systems.
Composition & Compliance: VOC-free, mineral oil-based, formulated with hydrophobic silica, making it suitable for environmentally conscious applications.
Foam Control Performance: Offers effective foam control during both grinding and let-down phases, with rapid bubble-breaking action even at low concentrations.
Gloss Compatibility: Excels in semi-gloss and high-gloss paints, maintaining the desired finish without compromising gloss levels.
Target Coatings: Ideal for polyurethane coatings, high-gloss topcoats, and varnishes.
Waterborne Decorative Paints: Suitable for waterborne decorative paints, including semi-gloss and high-gloss varieties.
Production Phases: Applied during both grinding and let-down phases of paint and coating production to control foam.
Other Aqueous Systems: Compatible with paints, coatings, and inks requiring consistent, efficient foam control in aqueous formulations.
Brand | Hayminsters Deqian |
Model | DAPRO DF 7079 |
Product Feature | Exhibits excellent compatibility with coating formulations |
Packaging | 25KG/barrel |
Application | Defoamer for architectural coatings |
Composition | Mixture of water, silica, and mineral oil |
Appearance | Grayish-white to grayish-yellow opaque emulsion |
Flash Point | 165℃ |
Specific Gravity | 0.89 |
Viscosity | 2100 CPS (BROOKFIELD) |
Q1: What types of industrial systems is DAPRO DF7079 specifically formulated for?
A: DAPRO DF7079 is a silicone-based defoamer engineered for demanding aqueous systems, including water-based coatings, adhesives, sealants, textile auxiliaries, and cleaning formulations where persistent foam interferes with processing or final film quality.
Q2: How should DAPRO DF7079 be incorporated into a formulation?
A: It is typically added during the post-addition stage—after high-shear mixing—to preserve its integrity and maximize defoaming efficiency. Pre-dilution in a compatible solvent or carrier liquid may improve dispersion, especially in low-solids or high-viscosity systems.
Q3: Does DAPRO DF7079 affect gloss or surface appearance in finished coatings?
A: When used within recommended dosage levels, it exhibits excellent compatibility and generally does not cause haziness, craters, or gloss reduction in clear or pigmented coating films.
Q4: Is DAPRO DF7079 suitable for low-VOC or high-solids formulations?
A: Yes—it is designed to perform effectively in modern low-VOC, high-solids, and water-reduced systems without compromising stability or defoaming action.
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