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High hydroxyl functionality for efficient crosslinking with amino and isocyanate curing agents.
Excellent compatibility with common solvent-based and waterborne acrylics, polyurethanes, and melamine resins.
Low VOC formulation support — designed for compliance with stringent environmental regulations.
Superior gloss retention and weather resistance in outdoor coating applications.
Good flow and leveling characteristics for high-quality film formation.
Automotive OEM and refinish topcoats.
Industrial maintenance coatings for metal substrates.
Architectural and industrial coil coatings.
Plastic coatings requiring adhesion and flexibility.
High-performance wood and furniture finishes.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Waterborne dispersion |
| Appearance | Opaque white to off-white liquid |
| Primary Applications | Two-component (2K) waterborne polyurethane and amino-cured coatings |
| Key Features | High OH value, low viscosity, excellent storage stability |
| Benefits | Enhanced crosslink density, improved hardness development, reduced cure temperature |
| pH (10% aqueous solution) | 7.5 – 8.5 |
| Solids Content (wt%) | 35 – 39% |
Q1: What is the primary function of SETAQUA 6302 in waterborne coating systems?
A: SETAQUA 6302 serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component (2K) waterborne polyurethane and polyester systems. It contributes to film formation, crosslink density, and final coating performance—including hardness, chemical resistance, and gloss retention—while maintaining good water dispersibility and compatibility with common co-resins and crosslinkers.
Q2: Is SETAQUA 6302 compatible with standard aliphatic isocyanate crosslinkers?
A: Yes, SETAQUA 6302 is formulated for compatibility with common aliphatic polyisocyanate crosslinkers used in high-performance waterborne 2K systems, including HDI-based and IPDI-based blocked or non-blocked types. Optimal reactivity and pot life are achieved when formulation pH, solids content, and co-solvent selection are aligned with crosslinker specifications.
Q3: How should SETAQUA 6302 be stored and handled to maintain stability?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, protected from freezing and direct sunlight. Avoid prolonged exposure to high humidity or contamination. The resin is supplied as a stable aqueous dispersion and does not require agitation prior to use under normal storage conditions; however, gentle stirring is recommended before incorporation into formulations.
Q4: Can SETAQUA 6302 be used in low-VOC architectural or industrial maintenance coatings?
A: Yes, SETAQUA 6302 supports low-VOC and high-solids formulations due to its waterborne nature and minimal co-solvent requirement. It is suitable for demanding industrial maintenance, general metal protection, and premium architectural applications where durability, weatherability, and regulatory compliance are key considerations.
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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
