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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.
High gloss retention and superior film clarity after curing, ideal for premium decorative finishes.
Good compatibility with common waterborne acrylics, aminoplast crosslinkers, and dispersants.
Optimized particle size distribution enabling smooth spray application and minimal filter clogging.
Waterborne coil coating topcoats for pre-painted metal substrates.
Industrial maintenance coatings for metal furniture and office equipment.
Interior architectural wall coatings requiring high durability and low odor.
UV-curable hybrid basecoats where polyester backbone enhances scratch resistance.
Electrophoretic primer-compatible topcoats for automotive trim components.
| Chemical Type | Aliphatic polyester dispersion |
| Product Form | Opaque white liquid |
| Appearance | Homogeneous milky dispersion, no sedimentation |
| Solids Content (wt%) | 42 ± 2% |
| pH (at 25°C) | 7.8 – 8.3 |
| Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm) | 800 – 1,200 |
| Density (g/cm³ at 25°C) | 1.03 – 1.06 |
| Storage Stability | ≥6 months at 5–35°C in sealed container |
Q1: What are the primary application areas for YPWAP-38W01S?
A: YPWAP-38W01S is primarily formulated into waterborne industrial coatings and topcoats requiring good film formation, gloss retention, and compatibility with acrylic or polyurethane dispersions—especially in metal finishing, general-purpose protective coatings, and low-VOC decorative systems.
Q2: How does YPWAP-38W01S differ from solvent-based polyester resins?
A: Unlike traditional solvent-based polyesters, YPWAP-38W01S is designed as a stable aqueous dispersion with inherent low VOC content. It offers comparable crosslinking potential and mechanical performance but eliminates the need for aromatic hydrocarbons or ketones, supporting safer handling and regulatory compliance in water-reducible systems.
Q3: Is YPWAP-38W01S compatible with common crosslinkers used in waterborne systems?
A: Yes—it exhibits good reactivity with standard water-dispersible melamine-formaldehyde resins, aziridine-based crosslinkers, and blocked polyisocyanates. Compatibility and cure profile should be verified experimentally within the final formulation due to pH and ionic strength sensitivity.
Q4: What viscosity and solids content range can be expected?
A: YPWAP-38W01S is supplied as a low-to-medium viscosity dispersion with typical non-volatile content in the range of 35–45% by weight. Exact values may vary slightly between batches and are provided on the Certificate of Analysis for each shipment.
Q5: Can YPWAP-38W01S be used in direct-to-metal (DTM) formulations?
A: Yes—it has been successfully incorporated into DTM coating systems where balanced corrosion resistance, adhesion, and flexibility are required. Optimal performance typically requires synergistic use with appropriate anti-corrosive pigments and rheology modifiers tailored to waterborne metal applications.
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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
