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Water-reducible alkyd resin enabling low-VOC, environmentally compliant coatings.
Excellent gloss retention and film hardness development after ambient cure.
Good compatibility with acrylic emulsions and other waterborne resins for hybrid systems.
Stable in neutral to mildly alkaline aqueous dispersions without added surfactants.
Delivers balanced drying speed and workability for brush, roller, and spray application.
Architectural interior and exterior wall paints.
Waterborne wood stains and clear finishes for furniture and cabinetry.
Low-VOC maintenance coatings for metal and masonry substrates.
Hybrid waterborne industrial maintenance primers and topcoats.
DIY and professional-grade decorative coatings requiring alkyd performance with water cleanup.
| Chemical Type | Water-reducible modified alkyd resin |
| Product Form | Aqueous dispersion |
| Appearance | Opaque off-white to light beige liquid |
| pH (25°C) | 7.5 – 8.5 |
| Solids Content (wt%) | 63 – 67% |
| Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C) | 1,500 – 3,500 mPa·s |
| Minimum Film Formation Temperature (MFFT) | ≈ 15°C |
| Primary Applications | Waterborne architectural and industrial protective coatings |
Q1: What is the primary application area for SETAL 202 WS-65?
A: SETAL 202 WS-65 is a water-reducible alkyd resin designed primarily for high-performance, low-VOC decorative and protective coatings—especially interior and exterior architectural paints, wood finishes, and maintenance coatings where good flow, leveling, and substrate adhesion are required.
Q2: How does SETAL 202 WS-65 differ from conventional solvent-based alkyds?
A: Unlike traditional solvent-based alkyds, SETAL 202 WS-65 is formulated to be water-reducible using minimal co-solvents, enabling significantly lower VOC content while retaining key alkyd performance attributes such as gloss development, film flexibility, and compatibility with common acrylic dispersions and crosslinkers.
Q3: Can SETAL 202 WS-65 be used in combination with acrylic emulsions?
A: Yes—it exhibits excellent compatibility with a broad range of acrylic and vinyl-acrylic emulsions, making it well-suited for hybrid alkyd-acrylic systems that balance durability, fast drying, and ease of application in waterborne formulations.
Q4: What type of curing or film formation does SETAL 202 WS-65 rely on?
A: SETAL 202 WS-65 forms films primarily through physical coalescence and oxidative crosslinking. It is air-drying and does not require added catalysts or external crosslinkers to achieve functional film properties, though it can be further enhanced with metal driers or reactive co-binders when higher hardness or chemical resistance is needed.
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E-mail: wangxingqiang@ericwchem.com
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