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Low-VOC, water-based formulation compliant with stringent environmental regulations including EU REACH and US EPA guidelines.
Excellent film-forming capability with balanced hardness and flexibility for durable coating performance.
Good compatibility with acrylic emulsions, polyurethane dispersions, and common crosslinkers (e.g., aziridines, carbodiimides).
Stable storage at 5–40 °C with shelf life of ≥12 months under recommended conditions.
Low odor and non-hazardous classification per GHS, facilitating safer handling and reduced workplace ventilation requirements.
Waterborne industrial maintenance coatings for metal substrates.
High-performance topcoats for architectural pre-finished metal (PPM) and coil coating primers.
Base resin for eco-friendly wood coatings requiring low migration and good sandability.
Component in hybrid waterborne systems for automotive refinish clearcoats and plastic coatings.
Functional binder in specialty printing inks for flexible packaging films.
| Chemical Type | Aliphatic waterborne polyester dispersion |
| Product Form | Liquid dispersion |
| Appearance | Translucent to slightly hazy milky white liquid |
| pH (25 °C) | 7.8 – 8.5 |
| Solids Content (wt%) | 35.0 ± 1.5 |
| Viscosity (mPa·s, 25 °C, Brookfield LVT, Spindle #3, 6 rpm) | 1,200 – 2,500 |
| Density (g/cm³, 25 °C) | 1.02 – 1.06 |
| Minimum Film Formation Temperature (MFFT) | ≈ 15 °C |
Q1: What is the primary function of VYLONAL MD-1200 in waterborne coating systems?
A: VYLONAL MD-1200 serves as a film-forming binder and crosslinker carrier in waterborne polyester-based coatings, enhancing hardness, chemical resistance, and gloss retention while maintaining low VOC content and good water compatibility.
Q2: Is VYLONAL MD-1200 compatible with common waterborne acrylic or polyurethane dispersions?
A: Yes, it demonstrates good miscibility with many waterborne acrylics and anionic/cationic polyurethane dispersions when properly pH-adjusted and mixed under controlled shear conditions. Compatibility testing in the final formulation is recommended to confirm stability and performance.
Q3: How should VYLONAL MD-1200 be stored and handled to maintain stability?
A: Store in tightly sealed original containers at temperatures between 5°C and 30°C, away from freezing and direct sunlight. Avoid prolonged exposure to high humidity or contamination with incompatible solvents or metal ions. Stir gently before use to ensure homogeneity.
Q4: Can VYLONAL MD-1200 be used in heat-cured or ambient-cured systems?
A: It is formulated for ambient-cure applications but can also support mild thermal curing (e.g., 60–90°C) to accelerate film development and improve crosslink density—particularly when combined with suitable co-crosslinkers such as melamine or blocked isocyanates.
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E-mail: wangxingqiang@ericwchem.com
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