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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.
Excellent chemical resistance to solvents, acids, and alkaline cleaners.
Optimized reactivity for efficient curing with TGIC or hydroxyalkyl amide (HAA) crosslinkers.
Low viscosity enables high-solids formulation and improved powder coating transfer efficiency.
Architectural aluminum extrusions for façades and curtain walls.
Automotive exterior trim and under-hood components.
Outdoor furniture and garden equipment coatings.
Electrical enclosures and industrial metal housings.
Agricultural and construction machinery parts.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pellets |
| Appearance | White to off-white free-flowing pellets |
| Acid Value (mg KOH/g) | 28–32 |
| Number Average Molecular Weight (Mn) | ~2,800–3,200 |
| Glass Transition Temperature (Tg, °C) | 68–72 |
| Primary Applications | Exterior-grade thermosetting powder coatings |
| Key Features | Weather durability, high gloss, chemical resistance, low melt viscosity |
Q1: What is the primary application of CRYLCOAT 2647-3 in powder coatings?
A: CRYLCOAT 2647-3 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and semi-gloss thermosetting powder coating systems, particularly where excellent flow, leveling, and exterior durability are required.
Q2: Which crosslinkers is CRYLCOAT 2647-3 typically compatible with?
A: It is formulated to react efficiently with standard epoxy-functional crosslinkers such as glycidyl ester (e.g., Primid XL-552) and triglycidyl isocyanurate (TGIC), though it is optimized for TGIC-free systems requiring enhanced weather resistance and regulatory compliance.
Q3: How does CRYLCOAT 2647-3 perform under outdoor exposure conditions?
A: This resin delivers robust UV stability and long-term gloss retention, making it suitable for architectural and industrial applications exposed to natural weathering, including humidity, temperature cycling, and solar radiation.
Q4: Is CRYLCOAT 2647-3 suitable for low-cure or energy-efficient powder coating processes?
A: Yes — it exhibits good reactivity at reduced cure temperatures (e.g., 160–180 °C), supporting energy-saving manufacturing without compromising film integrity or mechanical performance.
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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
