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Low-VOC formulation compliant with global environmental regulations including EU REACH and US EPA standards.
Excellent hydrolytic stability for extended shelf life and consistent performance in aqueous systems.
Superior film-forming ability yielding smooth, high-gloss coatings with excellent hardness development.
Good compatibility with acrylic emulsions, crosslinkers (e.g., aziridines, melamine formaldehyde), and common additives.
Optimized particle size distribution for enhanced colloidal stability and spray application efficiency.
Waterborne industrial maintenance coatings for metal substrates.
High-performance coil coatings requiring excellent formability and corrosion resistance.
Architectural and decorative topcoats for interior/exterior steel and aluminum surfaces.
UV-curable hybrid systems where polyester backbone enhances flexibility and adhesion.
Refinish coatings for automotive and agricultural equipment OEM and aftermarket segments.
| Chemical Type | Aliphatic waterborne polyester dispersion |
| Product Form | Liquid dispersion in deionized water |
| Appearance | Clear to slightly hazy, pale yellow liquid |
| pH (25°C) | 7.2–7.8 |
| Solids Content (wt%) | 35.0 ± 1.0 |
| Viscosity (Brookfield, #2 spindle, 20 rpm, 25°C) | 80–150 mPa·s |
| Particle Size (D50) | 80–120 nm |
| Minimum Film Formation Temperature (MFFT) | 18–22°C |
Q1: What is the primary application of YPWAP-31W06M in waterborne coating systems?
A: YPWAP-31W06M is primarily formulated as a film-forming binder or reactive modifier in high-performance waterborne industrial coatings, especially where enhanced hardness, gloss retention, and chemical resistance are required—such as in automotive refinish primers, metal packaging topcoats, and general-purpose protective finishes.
Q2: Is YPWAP-31W06M compatible with common waterborne acrylic or polyurethane dispersions?
A: Yes, YPWAP-31W06M demonstrates good compatibility with a broad range of waterborne acrylic emulsions and aliphatic polyurethane dispersions. Compatibility should be verified in the final formulation through stability testing, including freeze-thaw cycling and storage at elevated temperatures.
Q3: How does YPWAP-31W06M contribute to film performance compared to conventional solventborne polyesters?
A: As a waterborne polyester resin, YPWAP-31W06M delivers comparable crosslink density and mechanical properties—such as mar resistance and substrate adhesion—while significantly reducing VOC content. Its designed particle morphology supports efficient coalescence and enhances early water resistance post-application.
Q4: What type of crosslinkers is YPWAP-31W06M typically used with?
A: YPWAP-31W06M is engineered for use with standard aqueous crosslinkers, including melamine-formaldehyde resins (e.g., methylolated types), blocked isocyanates, and carbodiimide-based curing agents. Selection depends on cure temperature, pot life requirements, and regulatory constraints for end-use applications.
Q5: Does YPWAP-31W06M require pH adjustment during formulation?
A: YPWAP-31W06M is supplied with inherent colloidal stability across a typical formulation pH range of 7.5–9.0. Minor pH adjustment may be needed depending on other components in the system, but strong alkaline additives or excessive acidification should be avoided to maintain dispersion integrity.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
