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High-gloss, excellent flow and leveling for premium aesthetic finishes.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good mechanical properties including hardness, flexibility, and impact resistance.
Compatible with standard TGIC and hydroxyalkylamide (HAA) curing agents.
Optimized for low-cure applications, enabling energy-efficient powder coating processes.
Architectural aluminum extrusions and curtain wall systems.
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Automotive exterior trim and non-under-hood parts.
Consumer electronics enclosures requiring durable decorative finishes.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Homogeneous granular solid |
| Acid Value (mg KOH/g) | 27–31 |
| Molecular Weight (Mn, GPC) | 2,800–3,200 |
| Glass Transition Temperature (°C) | 68–72 |
| Softening Point (°C, Ring & Ball) | 70–75 |
| Primary Applications | Exterior-grade thermosetting powder coatings |
Q1: What is the primary application of CRYLCOAT 4890-0 in powder coating formulations?
A: CRYLCOAT 4890-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and durable thermosetting powder coatings—particularly suited for architectural and general industrial applications requiring excellent weather resistance and mechanical performance.
Q2: Which crosslinkers is CRYLCOAT 4890-0 compatible with?
A: This resin is formulated to react efficiently with standard epoxy-functional crosslinkers such as glycidyl ether-based compounds (e.g., triglycidyl isocyanurate), and is also compatible with alternative non-TGIC curing agents like hydroxyalkyl amides (HAA), depending on the desired cure schedule and end-use requirements.
Q3: How does CRYLCOAT 4890-0 contribute to film formation and durability?
A: Its balanced molecular weight distribution and controlled acid value support good melt flow, leveling, and edge coverage during curing. The resulting films exhibit strong adhesion, flexibility, and long-term resistance to UV exposure, humidity, and thermal cycling—making it well-suited for exterior applications.
Q4: What are the recommended storage conditions for this resin?
A: Store in a cool, dry place below 30 °C, protected from moisture and direct sunlight. Keep containers tightly sealed when not in use to prevent agglomeration or moisture uptake, which may affect processing stability and final film quality.
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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
