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High-solids, low-VOC aliphatic polyurethane dispersion for sustainable coating formulations.
Excellent chemical resistance to household cleaners, mild acids, and alkalis.
Superior mechanical properties including scratch resistance and flexibility at ambient cure conditions.
Good compatibility with acrylic and polyester co-resins for hybrid system optimization.
Stable viscosity profile over extended storage and broad pH range (6.5–8.5).
Waterborne wood coatings for interior furniture and cabinetry.
Industrial maintenance coatings for metal substrates in light-duty environments.
Architectural interior wall and ceiling coatings requiring durability and low emissions.
Coatings for MDF and particleboard used in residential and commercial joinery.
| Chemical Type | Aliphatic polyurethane dispersion (anionic) |
| Product Form | Waterborne liquid dispersion |
| Appearance | Opaque white to off-white liquid |
| Solids Content (wt%) | 40 ± 1% |
| pH | 7.0 – 7.5 |
| Viscosity (mPa·s, Brookfield RVT, #3 spindle, 20 rpm) | 500 – 1,500 |
| Density (g/cm³, 20°C) | 1.02 – 1.05 |
| Minimum Film Formation Temperature (MFFT) | ≈ 15°C |
Q1: What is the primary application of BECKOCOAT VPU 4204/40LG?
A: BECKOCOAT VPU 4204/40LG is a waterborne polyurethane dispersion designed primarily for high-performance topcoats in industrial wood finishing applications, including furniture, cabinetry, and architectural millwork where excellent scratch resistance, chemical resistance, and gloss retention are required.
Q2: Is this resin compatible with common crosslinkers used in waterborne systems?
A: Yes, BECKOCOAT VPU 4204/40LG is formulated to be compatible with standard aqueous crosslinkers such as aziridine and carbodiimide types, enabling enhanced film hardness, block resistance, and durability when post-crosslinked.
Q3: How should BECKOCOAT VPU 4204/40LG be stored and handled?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from freezing conditions and direct sunlight. Prior to use, stir gently to ensure homogeneity; avoid vigorous agitation that may introduce air bubbles or destabilize the dispersion.
Q4: Can it be blended with acrylic dispersions or other waterborne resins?
A: Yes, BECKOCOAT VPU 4204/40LG demonstrates good compatibility with many acrylic and hybrid dispersions, allowing formulators to tailor performance attributes such as flexibility, hardness, and drying behavior—though compatibility testing under intended formulation conditions is recommended.
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E-mail: wangxingqiang@ericwchem.com
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