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High hydroxyl functionality for excellent crosslinking efficiency with melamine and polyisocyanate curing agents.
Low VOC aqueous dispersion, compliant with stringent environmental regulations including EU REACH and US EPA guidelines.
Outstanding gloss retention and weather resistance in exterior applications.
Good compatibility with other acrylic and polyester dispersions for formulating hybrid resin systems.
Stable viscosity profile across a broad pH range (7.5–9.0), enabling robust process control during production.
Automotive OEM clearcoats and basecoats requiring high durability and low-emission performance.
Industrial maintenance coatings for metal substrates exposed to harsh outdoor environments.
Powder coating primers where hydroxyl functionality supports strong intercoat adhesion.
Architectural facade coatings demanding UV stability and long-term color retention.
Plastic coatings for automotive interior trim requiring flexibility and solvent resistance.
| Chemical Type | Hydroxyl-functional acrylic copolymer dispersion |
| Product Form | Aqueous dispersion |
| Appearance | Opaque white to off-white liquid |
| Solids Content (wt%) | 38–42% |
| pH | 7.8–8.5 |
| Hydroxyl Value (mg KOH/g) | 85–95 |
| Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm, 25°C) | 150–350 |
| Minimum Film Formation Temperature (°C) | 22–25 |
Q1: What is the primary function of SETAQUA 6160 in waterborne coating systems?
A: SETAQUA 6160 serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component (2K) waterborne polyurethane systems. It provides crosslinking sites for isocyanate curing agents, contributing to film formation, hardness development, and chemical resistance.
Q2: Is SETAQUA 6160 compatible with common waterborne isocyanate hardeners?
A: Yes, SETAQUA 6160 is formulated for compatibility with standard aliphatic water-dispersible isocyanate crosslinkers, including HDI- and IPDI-based polyisocyanates. Optimal performance is achieved when matched with hardeners offering appropriate hydrophilicity and reactivity balance.
Q3: How does SETAQUA 6160 contribute to the final film properties of cured coatings?
A: When properly crosslinked, SETAQUA 6160 helps deliver good mechanical strength, scratch resistance, and gloss retention. Its acrylic backbone supports UV stability, while the hydroxyl functionality enables robust network formation—resulting in durable, clear or pigmented films suitable for demanding industrial and decorative applications.
Q4: Can SETAQUA 6160 be used in low-VOC or zero-VOC formulations?
A: Yes, SETAQUA 6160 is a waterborne resin with inherently low volatile organic content. It supports formulators in meeting stringent VOC regulations when combined with compatible low-VOC co-solvents and crosslinkers—no added organic solvents are required for its dispersion.
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