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Excellent film formation at ambient temperature with low coalescent demand.
High gloss and outstanding clarity in clear coat applications.
Good chemical resistance to water, alcohols, and mild household cleaners.
Low VOC formulation compliant with global environmental regulations.
Easy integration into acrylic or polyester hybrid dispersions for enhanced performance.
Waterborne wood coatings for furniture and cabinetry.
Industrial maintenance coatings for metal substrates.
Clear topcoats for plastic and composite substrates.
High-performance overprint varnishes in packaging applications.
Interior architectural coatings requiring durability and low odor.
| Chemical Type | Aliphatic waterborne polyurethane dispersion |
| Product Form | Liquid dispersion |
| Appearance | Opaque white to slightly bluish liquid |
| pH (at 25°C) | 7.5 – 8.5 |
| Solids Content (wt%) | 35.0 ± 1.0 |
| Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm) | 150 – 400 |
| Density (g/cm³, 20°C) | 1.02 – 1.05 |
| Minimum Film Formation Temperature (MFFT) | ≤ 15°C |
Q1: What are the primary application areas for VTW6463w?
A: VTW6463w is commonly used in high-performance waterborne coatings for flexible substrates, including textile finishes, leather topcoats, and synthetic leather applications where excellent film flexibility, abrasion resistance, and low-temperature performance are required.
Q2: Is VTW6463w compatible with common waterborne acrylic or polyester dispersions?
A: Yes, VTW6463w is generally compatible with many waterborne acrylics, polyesters, and other anionic or non-ionic dispersions, enabling hybrid formulations. Compatibility testing under actual formulation conditions is recommended to confirm stability and performance.
Q3: How should VTW6463w be incorporated into a coating formulation?
A: VTW6463w is typically added during the let-down stage under moderate agitation. It is advisable to avoid high-shear mixing after addition and to maintain pH between 7.5 and 9.0 for optimal stability. Pre-dilution with deionized water may aid uniform dispersion.
Q4: Does VTW6463w require crosslinking for optimal film properties?
A: VTW6463w forms durable films through physical coalescence and offers good inherent performance without crosslinkers. However, it can be further enhanced with ambient- or heat-activated crosslinkers (e.g., aziridines or carbodiimides) when improved chemical resistance or washfastness is needed.
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E-mail: wangxingqiang@ericwchem.com
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