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Low-VOC formulation compliant with stringent global environmental regulations.
Excellent water dispersibility and storage stability without co-solvent dependency.
Superior film hardness development and early-stage dry-through performance.
Good compatibility with acrylic emulsions, polyurethane dispersions, and common waterborne additives.
Retains traditional alkyd aesthetics — rich gloss, excellent flow/leveling, and substrate wetting.
Architectural interior and exterior decorative paints.
Waterborne wood coatings for furniture and cabinetry.
Metal protective coatings for light industrial applications.
DIY and professional-grade maintenance paints.
Hybrid waterborne systems requiring alkyd-like performance with reduced environmental impact.
| Chemical Type | Waterborne modified alkyd resin |
| Product Form | Liquid dispersion |
| Appearance | Opaque off-white to light yellow liquid |
| pH (25°C) | 7.5–8.5 |
| Solids Content (wt%) | 45–48 |
| Viscosity (Brookfield RVT, #3 spindle, 20 rpm, 25°C) | 1,200–2,500 cP |
| Density (25°C) | 1.02–1.05 g/cm³ |
| Storage Stability | ≥6 months at 5–35°C, no phase separation or viscosity drift |
Q1: What are the key advantages of ETERKYD W3630 compared to traditional solvent-based alkyds?
A: ETERKYD W3630 offers significantly reduced VOC content while retaining the familiar handling, film formation, and adhesion characteristics of conventional alkyds. It enables formulators to meet increasingly stringent environmental regulations without major re-engineering of existing production processes or application equipment.
Q2: Can ETERKYD W3630 be used in direct-to-metal (DTM) coatings?
A: Yes — ETERKYD W3630 is specifically designed to provide good substrate wetting and corrosion-inhibiting potential on ferrous and non-ferrous metals. When combined with appropriate pigments, inhibitors, and co-binders, it supports robust DTM performance in maintenance and industrial maintenance coating systems.
Q3: Is ETERKYD W3630 compatible with common waterborne acrylic or polyurethane dispersions?
A: Yes — ETERKYD W3630 demonstrates good compatibility with a broad range of waterborne acrylics, polyurethane dispersions, and hybrid systems. Compatibility should be verified in the final formulation, particularly regarding storage stability, freeze-thaw resistance, and film clarity.
Q4: How should ETERKYD W3630 be incorporated into a waterborne coating formulation?
A: It is typically added during the let-down stage under moderate agitation. Pre-dilution with water or co-solvent may be beneficial for uniform dispersion. Avoid high-shear mixing at low pH or in the presence of strong electrolytes to preserve colloidal stability.
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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
