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Low-foaming formulation designed for high-shear and recirculating industrial processes.
Excellent compatibility with water-based systems including acrylics, styrene-butadiene, and polyvinyl acetate dispersions.
Provides durable hydrophobicity and surface slip without compromising substrate adhesion.
Non-ionic surfactant system ensures broad pH stability (pH 3–11) and minimal impact on formulation viscosity.
Complies with FDA 21 CFR §175.300 for incidental food contact in coatings and adhesives.
Water-based architectural coatings for enhanced water repellency and drag reduction.
Textile finishing agents to impart soft hand, wrinkle recovery, and soil release.
Printing ink additives for improved pigment dispersion stability and substrate wetting.
Adhesive modifiers in paper and packaging laminates to reduce blocking and improve release performance.
Concrete curing and protective coatings for reduced water absorption and efflorescence control.
| Chemical Type | Dimethyl silicone polymer emulsion |
| Product Form | Opaque white liquid |
| Appearance | Stable milky emulsion, no phase separation after storage |
| Active Content | 30 ± 1 wt% |
| pH (10% Aqueous Dilution) | 6.0 – 7.5 |
| Viscosity (Brookfield, Spindle #2, 25°C) | 50 – 150 cP |
| Freeze-Thaw Stability | Withstands three cycles (–10°C for 16 h / 25°C for 8 h) without coagulation |
| Primary Applications | Surface modification, hydrophobization, and lubricity enhancement in aqueous systems |
Q1: What is the primary function of DOWSIL 5-7254 LF in coating and ink formulations?
A: DOWSIL 5-7254 LF is a low-foaming, anionic silicone emulsion designed to provide surface leveling, substrate wetting, and slip enhancement in water-based coatings, inks, and overprint varnishes—without compromising foam control or compatibility with common formulation ingredients.
Q2: Is DOWSIL 5-7254 LF compatible with cationic systems?
A: Due to its anionic charge character, DOWSIL 5-7254 LF is generally incompatible with strongly cationic additives or resins. Compatibility testing under actual formulation conditions is recommended before incorporation into mixed-charge systems.
Q3: How should DOWSIL 5-7254 LF be incorporated into a formulation?
A: It is typically added during the let-down stage, after pigment dispersion and under mild agitation. Pre-dilution with water may improve uniform distribution, especially in low-shear systems. Avoid high-shear mixing post-addition to prevent potential emulsion destabilization.
Q4: Does DOWSIL 5-7254 LF contribute to film hydrophobicity or water resistance?
A: While not primarily intended as a hydrophobizing agent, it can modestly enhance surface water repellency and reduce water absorption at the air–film interface due to silicone migration and orientation—effects that become more pronounced after film drying and curing.
Q5: Can DOWSIL 5-7254 LF be used in food-contact coatings?
A: This product is not pre-approved for direct food-contact applications. Formulators must conduct full regulatory evaluation—including extraction testing and compliance verification against applicable regional food-contact regulations—before use in such systems.
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