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Water-reducible alkyd resin enabling low-VOC, high-performance coatings without co-solvents.
Excellent hydrolytic stability and shelf life in aqueous dispersions.
Delivers balanced drying speed, hardness development, and flexibility for demanding industrial applications.
Compatible with common water-based crosslinkers (e.g., melamine formaldehyde, carbodiimides) and pigments.
Provides good gloss retention, color stability, and substrate adhesion on wood, metal, and plastic.
Waterborne industrial maintenance coatings for metal structures and equipment.
Architectural and decorative wood coatings, including interior trim and furniture finishes.
Low-VOC general-purpose protective coatings for agricultural and construction machinery.
Refinish coatings for automotive non-OEM applications and fleet vehicle touch-ups.
Coatings for metal packaging and coil coating primers requiring environmental compliance.
| Chemical Type | Water-reducible alkyd resin (modified soybean oil-based) |
| Product Form | Aqueous dispersion (non-ionic stabilized) |
| Appearance | Off-white to light amber, slightly hazy liquid |
| pH (10% in water) | 7.5 – 8.5 |
| Solids Content (wt%) | 44.0 – 46.0 |
| Viscosity (Brookfield RVT, spindle #2, 20 rpm, 25°C) | 100 – 300 mPa·s |
| Density (25°C) | Approx. 1.02 g/cm³ |
| Primary Applications | Waterborne industrial maintenance and decorative coatings |
Q1: What is the primary application area for RESYDROL SAY 586w/45WA?
A: RESYDROL SAY 586w/45WA is a water-reducible alkyd resin specifically designed for high-performance industrial maintenance and protective coatings, including metal primers, topcoats, and general-purpose finishes where low VOC content and good substrate wetting are required.
Q2: Can this resin be used in ambient-cure systems without forced drying?
A: Yes — SAY 586w/45WA is formulated to air-dry effectively at ambient conditions through oxidative crosslinking, delivering good early hardness development and handling properties without requiring oven curing or catalysts.
Q3: How does SAY 586w/45WA differ from conventional solvent-based alkyds?
A: Unlike traditional solvent-borne alkyds, SAY 586w/45WA offers water reducibility with reduced VOC emissions while retaining the familiar film-forming characteristics, flexibility, and adhesion profile of alkyd chemistry — making it suitable for formulators transitioning toward more sustainable coating solutions.
Q4: Is SAY 586w/45WA compatible with common co-resins and additives used in waterborne systems?
A: Yes — it demonstrates broad compatibility with acrylic emulsions, melamine formaldehydes, and standard waterborne additives such as defoamers, rheology modifiers, and dispersants, though compatibility testing in the final formulation is recommended to ensure stability and performance.
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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
