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High solids content for improved film build and reduced water usage in formulations.
Excellent hydrolytic stability, ensuring consistent performance during storage and processing.
Low VOC (<50 g/L), compliant with stringent environmental regulations including EU Ecolabel and US EPA standards.
Good pigment wetting and dispersion stability in both organic and inorganic pigment systems.
Enhanced block resistance and scrub resistance in dried films, suitable for demanding architectural and industrial coatings.
Interior and exterior architectural wall paints requiring low odor and high durability.
Waterborne industrial maintenance coatings for metal substrates.
Low-VOC wood stains and clear finishes for interior wood applications.
Water-based primers and undercoats for masonry and drywall substrates.
Formulation base for high-performance traffic marking paints (waterborne type).
| Chemical Type | Acrylic copolymer emulsion |
| Product Form | White to off-white liquid |
| Appearance | Opaque, homogeneous dispersion |
| Solids Content (wt%) | 48–52% |
| pH | 7.5–8.5 |
| Viscosity (Brookfield RVT, #2 spindle, 20 rpm, 25°C) | 100–300 mPa·s |
| Minimum Film Formation Temperature (MFFT) | 12–15°C |
| VOC Content | <50 g/L |
Q1: What is the primary function of Valtac 430A in waterborne coating formulations?
A: Valtac 430A functions as a coalescing aid and film-forming enhancer, helping to improve low-temperature film formation, scrub resistance, and overall film integrity in acrylic-based architectural and industrial waterborne coatings.
Q2: Is Valtac 430A compatible with common waterborne acrylic and vinyl-acrylic emulsions?
A: Yes — Valtac 430A is specifically designed for compatibility with a broad range of anionic and nonionic waterborne acrylic, styrene-acrylic, and vinyl-acrylic emulsions, supporting stable formulation without adverse effects on viscosity or storage stability.
Q3: How should Valtac 430A be incorporated into a coating formulation?
A: It is typically added during the let-down stage, after the pigment grind, under moderate agitation. Pre-dilution with water or co-solvent may be used to ensure uniform dispersion, and dosage depends on formulation requirements but generally ranges from 0.1% to 2% by weight of total formulation.
Q4: Does Valtac 430A contribute to VOC reduction in finished coatings?
A: Yes — as a waterborne acrylic resin solution with low volatility and no added organic solvents, Valtac 430A supports compliance with low-VOC regulatory frameworks and helps formulators meet stringent environmental performance targets without compromising film quality.
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E-mail: wangxingqiang@ericwchem.com
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