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Water-reducible alkyd resin enabling low-VOC, high-performance coatings without sacrificing film integrity.
Excellent balance of hardness development and flexibility for durable, impact-resistant finishes.
Good compatibility with acrylic emulsions and other waterborne resins for hybrid formulation flexibility.
Fast ambient drying characteristics with efficient coalescence and early handling strength.
Enhanced hydrolytic stability compared to conventional water-reducible alkyds, supporting extended shelf life.
Architectural interior and exterior wall paints requiring washability and gloss retention.
Industrial maintenance coatings for metal substrates in mild-to-moderate exposure environments.
Wood finishing systems including furniture, cabinetry, and interior millwork.
General-purpose protective coatings for agricultural and construction equipment.
Refinish coatings for OEM touch-up and aftermarket applications where waterborne compliance is required.
| Chemical Type | Water-reducible short-oil alkyd resin |
| Product Form | Aqueous dispersion (non-ionic stabilized) |
| Appearance | Opaque white to off-white liquid |
| Solids Content | ~70 ± 1 wt% |
| pH | 7.5 – 8.5 |
| Viscosity (Brookfield, #2 spindle, 20 rpm, 25°C) | 1,200 – 2,500 mPa·s |
| Minimum Film Formation Temperature (MFFT) | ~15°C |
| Primary Applications | Waterborne architectural and industrial coatings |
Q1: What is the primary application area for RESYDROL AN 6618w/70BG?
A: RESYDROL AN 6618w/70BG is a water-reducible alkyd resin designed primarily for high-performance architectural and industrial maintenance coatings, including interior/exterior wall paints, wood finishes, and metal primers where low VOC, good flow, and balanced drying characteristics are required.
Q2: How does this resin achieve water reducibility without compromising film integrity?
A: The resin incorporates carefully balanced hydrophilic functional groups and optimized molecular architecture, enabling stable dispersion in water-based systems while maintaining robust crosslinking potential through autoxidative curing. This delivers cohesive, durable films with good water resistance after full cure.
Q3: Can RESYDROL AN 6618w/70BG be used in combination with acrylic emulsions or other binders?
A: Yes — it is formulated to be compatible with common acrylic and vinyl acetate-based emulsions, allowing hybrid systems that leverage the hardness and gloss of alkyds with the fast initial dry and alkali resistance of acrylics. Compatibility testing under actual formulation conditions is recommended.
Q4: What type of catalysts or driers are typically recommended to optimize drying performance?
A: Cobalt-free drier systems based on manganese, zirconium, or calcium are commonly used to support efficient through-dry while meeting regulatory and sustainability expectations. The optimal drier selection and dosage depend on the specific formulation matrix and performance targets.
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