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Water-reducible alkyd resin enabling low-VOC, high-performance coatings without co-solvents.
Excellent balance of drying speed, hardness development, and flexibility for ambient-cure applications.
Superior gloss retention and weather resistance in exterior architectural and industrial maintenance coatings.
Good compatibility with acrylic dispersions, urethane dispersions, and common waterborne crosslinkers.
Stable viscosity profile and broad pH tolerance (7.5–9.0), supporting robust formulation flexibility.
Waterborne architectural paints for interior and exterior walls and ceilings.
Industrial maintenance coatings for metal structures, bridges, and equipment.
Wood coatings including interior trim, furniture, and cabinetry finishes.
General-purpose protective coatings requiring ISO 12944 C2–C4 performance compliance.
Hybrid waterborne systems combining alkyd durability with acrylic weatherability.
| Chemical Type | Water-reducible modified alkyd resin |
| Product Form | Liquid dispersion in water |
| Appearance | Opaque white to off-white liquid |
| pH (10% aqueous solution) | 8.2 ± 0.3 |
| Non-Volatile Content (wt%) | 35.0 ± 1.0 |
| Viscosity (Brookfield RVT, #3 spindle, 20 rpm, 25°C) | 2,500–4,500 cP |
| Primary Applications | Architectural & industrial waterborne topcoats |
| Key Features | Low VOC ( 50 g/L), ambient cure, co-solvent free |
Q1: What is the primary function of RESYDROL EZ 6635w/35WA in waterborne alkyd coatings?
A: RESYDROL EZ 6635w/35WA is a self-emulsifying, water-reducible alkyd resin designed to provide excellent film formation, hardness development, and gloss retention in low-VOC, ambient-cure decorative and protective coatings—without requiring external surfactants or co-solvents for stabilization.
Q2: Can this resin be used in high-gloss interior wood finishes?
A: Yes—it is well-suited for high-gloss interior wood applications where balanced drying speed, clarity, and resistance to water spotting are required. Its molecular design supports good flow and leveling while maintaining compatibility with common waterborne acrylic and polyurethane dispersions for hybrid formulations.
Q3: How does RESYDROL EZ 6635w/35WA differ from conventional solvent-based alkyds in terms of application performance?
A: Unlike traditional solvent-borne alkyds, this resin enables water-based processing with reduced odor and lower VOC content, while retaining key alkyd attributes such as substrate wetting, flexibility, and recoatability. It typically offers faster initial dry times than many waterborne acrylics, though full hardness development follows oxidative crosslinking over several days.
Q4: Is RESYDROL EZ 6635w/35WA compatible with common biocides and rheology modifiers used in architectural paints?
A: Yes—it demonstrates broad compatibility with industry-standard isothiazolinone and benzisothiazolinone biocides, as well as associative and non-associative thickeners. As with any formulation component, compatibility testing under intended storage and use conditions is recommended to ensure long-term stability and performance.
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E-mail: wangxingqiang@ericwchem.com
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