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High-gloss, excellent flow and leveling for smooth, defect-free coatings.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good chemical resistance to solvents, acids, and alkalis in cured powder formulations.
Optimized reactivity profile for efficient curing at standard industrial bake schedules (180–200 °C).
Low melt viscosity enabling fine particle size control and high transfer efficiency in electrostatic application.
Architectural aluminum extrusions for façades and curtain walls.
Automotive exterior trim and non-under-hood components.
Outdoor furniture and garden equipment coatings.
Steel and aluminum agricultural and construction machinery housings.
Consumer electronics enclosures requiring durable, aesthetic finishes.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber solid granules |
| Appearance | Free-flowing granular solid |
| Acid Value (mg KOH/g) | 27–31 |
| Gardner Color (on 50% w/w solution in MEK) | ≤ 3 |
| Melt Viscosity (at 180 °C, Pa·s) | 2,500–3,500 |
| Softening Point (°C, Ring & Ball) | 72–78 |
| Primary Applications | Standard-cure TGIC-free and HAA-based powder coatings |
Q1: What is the primary application of CRYLCOAT 2582-4 in powder coatings?
A: CRYLCOAT 2582-4 is a carboxyl-functional polyester resin designed for use in TGIC-free and TGIC-containing triglycidyl isocyanurate (TGIC) powder coating systems, particularly for outdoor applications requiring excellent weather resistance, gloss retention, and mechanical durability.
Q2: How does CRYLCOAT 2582-4 compare to standard glycidyl ester-cured polyesters in terms of curing performance?
A: This resin offers balanced reactivity with common crosslinkers such as β-hydroxyalkyl amides (HAA) and TGIC, enabling good flow, leveling, and full cure at typical industrial bake schedules (e.g., 180–200 °C for 10–20 minutes), without excessive sensitivity to overbake conditions.
Q3: Is CRYLCOAT 2582-4 suitable for high-gloss, low-texture finishes?
A: Yes — its well-controlled molecular weight distribution and low melt viscosity support excellent film formation, making it well-suited for high-gloss, smooth architectural and general-purpose finishes where appearance consistency and surface uniformity are critical.
Q4: What types of pigments and additives are typically compatible with this resin?
A: CRYLCOAT 2582-4 demonstrates broad compatibility with conventional organic and inorganic pigments, as well as common powder coating additives including flow agents, degassing agents, and anti-settling aids — formulation adjustments may be needed depending on pigment loading and desired performance targets.
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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
