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Water-reducible alkyd resin enabling low-VOC, high-performance coatings.
Excellent compatibility with acrylic and vinyl dispersions for hybrid formulations.
Delivers superior gloss retention and weather resistance in exterior applications.
Provides good flow, leveling, and substrate wetting on wood and metal substrates.
Designed for ambient-cure systems without requiring strong coalescing agents.
Exterior architectural waterborne wood stains and semi-transparent finishes.
Waterborne industrial maintenance coatings for metal structures.
Low-VOC decorative coatings for interior wood trim and furniture.
Hybrid waterborne topcoats for agricultural and construction equipment.
Base resin for high-solids, eco-friendly clear and pigmented varnishes.
| Chemical Type | Water-reducible alkyd resin (soybean oil-modified) |
| Product Form | Aqueous dispersion |
| Appearance | Opaque white to off-white liquid |
| Solids Content (wt%) | 43 ± 1% |
| pH | 7.5 – 8.5 |
| Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm) | 150 – 350 |
| Density (g/cm³, 25°C) | 1.02 – 1.05 |
| Free Formaldehyde | < 0.005 wt% |
Q1: What is the primary function of RESYDROL AZ 6680w/43WA in waterborne alkyd systems?
A: RESYDROL AZ 6680w/43WA is a water-reducible alkyd resin designed to provide excellent film formation, gloss development, and substrate adhesion in low-VOC, waterborne decorative and protective coatings. It enables formulators to achieve performance characteristics traditionally associated with solventborne alkyds while meeting modern environmental requirements.
Q2: Is RESYDROL AZ 6680w/43WA compatible with common co-binders and additives used in waterborne architectural paints?
A: Yes, it demonstrates good compatibility with acrylic emulsions, vinyl acetate copolymers, associative thickeners, defoamers, and dispersants commonly employed in waterborne architectural and industrial maintenance formulations. Compatibility testing under specific formulation conditions is recommended to optimize stability and performance.
Q3: How does RESYDROL AZ 6680w/43WA contribute to drying and hardness development?
A: As an oxidative drying alkyd, it contributes to through-dry and progressive hardness build via autoxidation upon exposure to atmospheric oxygen. Its performance is enhanced when combined with effective driers or in hybrid systems where co-binders support faster initial set and surface dry.
Q4: Can RESYDROL AZ 6680w/43WA be used in interior wood finishes requiring low odor and rapid recoatability?
A: Yes — its water-reducible nature supports low-odor application and reduced VOC emissions, making it suitable for interior wood coatings. Recoatability depends on formulation design and ambient conditions, but typical systems allow overcoating within several hours after initial dry-to-touch, especially with optimized drier packages and co-binder selection.
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