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High-gloss, durable film formation with excellent leveling and flow properties.
Optimized for ambient-cure, low-VOC alkyd-based coating systems.
Enhanced compatibility with common crosslinkers, including melamine-formaldehyde and isocyanate modifiers.
Good hydrolytic stability and resistance to yellowing under UV exposure.
Consistent rheology and batch-to-batch reproducibility for industrial-scale production.
Industrial maintenance coatings for metal structures and equipment.
Marine topcoats requiring weather resistance and gloss retention.
Agricultural and construction machinery finishes.
General-purpose decorative enamels for metal substrates.
Low-VOC OEM and refinish coatings in regulated markets.
| Chemical Type | Modified short-oil alkyd resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Primary Applications | Ambient-cure industrial and marine coatings |
| Key Features | Low VOC, high gloss, UV-stable, crosslinker-compatible |
| Benefits | Reduced drying time, improved hardness development, enhanced substrate adhesion |
| Solvent System | Aromatic hydrocarbon-based (e.g., xylene, Solvesso® 100) |
| Storage Stability | Stable for ≥12 months at 15–25°C in sealed containers |
Q1: What is the primary function of Uralac AK436 in alkyd-based coatings?
A: Uralac AK436 is a reactive alkyd resin modifier designed to enhance crosslink density, improve drying performance, and increase hardness and chemical resistance in solvent-borne and high-solids alkyd systems.
Q2: Is Uralac AK436 compatible with conventional alkyd resins and common curing agents?
A: Yes, Uralac AK436 is fully compatible with standard long-oil and medium-oil alkyd resins and co-reacts effectively with traditional cobalt- or zirconium-based driers as well as polyisocyanate hardeners in hybrid systems.
Q3: How does Uralac AK436 affect film formation and surface properties?
A: It promotes rapid through-dry, reduces tackiness during cure, and contributes to improved gloss retention, mar resistance, and substrate adhesion—particularly on challenging substrates like aged metal or previously coated surfaces.
Q4: Can Uralac AK436 be used in low-VOC or high-solids formulations?
A: Yes—it is well-suited for high-solids alkyd systems and supports VOC reduction strategies by enabling efficient film build at lower solvent levels without compromising flow, leveling, or cure response.
Q5: What are the recommended storage conditions for Uralac AK436?
A: Store in tightly sealed original containers in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and strong oxidizing agents. Avoid prolonged exposure to temperatures above 40 °C.
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E-mail: wangxingqiang@ericwchem.com
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