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High solids content for improved film build and reduced water content in formulations.
Excellent hydrolytic stability, ensuring long shelf life and consistent performance under humid conditions.
Good compatibility with acrylic and polyester co-resins for hybrid binder systems.
Low VOC formulation compliant with stringent environmental regulations (e.g., EU Ecolabel, US EPA guidelines).
Outstanding mechanical properties including scratch resistance, flexibility, and abrasion resistance after curing.
Waterborne industrial wood coatings for furniture, flooring, and cabinetry.
High-performance coatings for metal substrates in architectural and appliance applications.
Leather finishing topcoats requiring soft touch, breathability, and durability.
Plastic coatings for automotive interior trim and consumer electronics housings.
Two-component (2K) waterborne PU systems for demanding OEM and refinish markets.
| Chemical Type | Aliphatic polyurethane dispersion (anionic) |
| Product Form | White to slightly yellow opaque liquid |
| Appearance | Homogeneous, stable dispersion |
| Solids Content (wt.%) | 35–37% |
| pH Value | 7.5–8.5 |
| Viscosity (mPa·s, 23°C, Brookfield LVT, Spindle #3, 60 rpm) | 150–350 |
| Particle Size (D50, nm) | 80–120 |
| Minimum Film Formation Temperature (MFFT) | ≈25°C |
Q1: What is the primary application area for Bayhydrol A 2469?
A: Bayhydrol A 2469 is a waterborne polyurethane dispersion designed primarily for high-performance industrial coatings, including protective topcoats for wood, plastic, and metal substrates where excellent scratch resistance, gloss retention, and low-temperature film formation are required.
Q2: Is Bayhydrol A 2469 compatible with common waterborne crosslinkers?
A: Yes, it is formulated to be compatible with standard waterborne crosslinkers such as blocked aliphatic isocyanates and aziridine-based systems, enabling enhanced chemical resistance and mechanical performance in two-component applications.
Q3: How should Bayhydrol A 2469 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 conditions and direct sunlight. Avoid prolonged exposure to high humidity or contamination with incompatible solvents or strong acids/bases to preserve colloidal stability.
Q4: Can Bayhydrol A 2469 be used in low-VOC or solvent-free formulations?
A: Yes — as a waterborne dispersion, it enables formulators to develop low-VOC coating systems. It contains minimal residual solvents and no added aromatic hydrocarbons, supporting compliance with evolving environmental and regulatory expectations for sustainable coatings.
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