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Water-reducible alkyd resin enabling low-VOC, high-performance coatings without organic solvents.
Excellent gloss retention and color stability in exterior architectural and industrial applications.
Good compatibility with acrylic emulsions, melamine formaldehyde resins, and common coalescing agents.
Fast ambient cure with balanced drying profile—tack-free within 2–4 hours at 23°C/50% RH.
Enhanced hardness development and mar resistance after full cure (7 days).
Architectural waterborne wood stains and clear finishes.
Industrial maintenance coatings for metal and concrete substrates.
Low-VOC decorative enamels for interior and exterior trim and furniture.
Hybrid waterborne topcoats combining alkyd durability with acrylic weatherability.
Refinish coatings for OEM-adjacent applications requiring recoatability and sandability.
| Chemical Type | Water-reducible short-oil modified alkyd resin |
| Product Form | Liquid dispersion in water |
| Appearance | Opaque white to off-white liquid |
| pH (25°C) | 8.0 – 9.0 |
| Solids Content (wt%, ISO 3251) | 38 – 42% |
| Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C) | 150 – 350 mPa·s |
| Minimum Film Formation Temperature (MFFT) | ≈ 15°C |
| Primary Applications | Waterborne architectural and industrial protective coatings |
Q1: What is the primary function of RESYDROL AY 334w/40WA in waterborne alkyd coatings?
A: RESYDROL AY 334w/40WA serves as a reactive coalescing agent and film-forming aid that enhances particle fusion, improves early water resistance, and supports efficient ambient-cure performance in water-reducible alkyd systems.
Q2: Is RESYDROL AY 334w/40WA compatible with other common waterborne resins such as acrylics or vinyl acetate copolymers?
A: Yes — it is formulated for broad compatibility with waterborne acrylic dispersions, styrene-acrylics, and PVA-based systems, enabling hybrid formulations that balance alkyd aesthetics with enhanced stability and drying behavior.
Q3: How does this resin contribute to VOC reduction in architectural and industrial maintenance coatings?
A: As a waterborne alkyd resin with low inherent VOC content, RESYDROL AY 334w/40WA enables formulators to meet regional VOC limits without sacrificing traditional alkyd performance attributes such as gloss retention, substrate wetting, and recoatability.
Q4: Can RESYDROL AY 334w/40WA be used in direct-to-metal (DTM) applications?
A: Yes — it is suitable for DTM coatings where good adhesion to ferrous and non-ferrous substrates, corrosion inhibition synergy with appropriate pigments, and balanced hardness-development are required.
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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
