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High-gloss, excellent flow and leveling for premium surface aesthetics.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good chemical resistance to solvents, cleaning agents, and mild acids.
Optimized reactivity for efficient curing with TGIC-free or low-TGIC powder formulations.
Consistent batch-to-batch reproducibility supporting reliable industrial manufacturing.
Architectural aluminum extrusions (e.g., window frames, façade panels).
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Street lighting poles and traffic infrastructure elements.
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) | 28–32 |
| Molecular Weight (Mn) | ~2,800–3,200 g/mol |
| Softening Point (°C, ASTM E28) | 78–84 |
| Primary Applications | TGIC-free and low-TGIC exterior-grade powder coatings |
| Key Features | Weather durability, high gloss retention, smooth film formation |
Q1: What is the primary application of CRYLCOAT 2635-2 in powder coatings?
A: CRYLCOAT 2635-2 is a carboxyl-functional polyester resin designed for use in TGIC-free, high-gloss, and durable thermoset powder coatings—particularly for indoor and moderate outdoor applications such as office furniture, shelving, and general metal finishing.
Q2: Which curing agents is CRYLCOAT 2635-2 typically compatible with?
A: This resin is formulated to react efficiently with standard epoxy-functional crosslinkers, including glycidyl ester types (e.g., Primid XL-552) and other TGIC-free alternatives suitable for medium-cure schedules (e.g., 180–200 °C for 10–20 minutes).
Q3: How does CRYLCOAT 2635-2 contribute to film formation and mechanical performance?
A: Its balanced molecular weight distribution and controlled acid value support excellent flow, leveling, and edge coverage, while delivering good flexibility, impact resistance, and adhesion on pretreated steel and aluminum substrates.
Q4: Is CRYLCOAT 2635-2 suitable for low-cure or ultra-low-cure powder coating systems?
A: It is optimized for standard medium-cure conditions and is not specifically engineered for ultra-low-cure (<160 °C) applications; formulations requiring reduced energy input may benefit from alternative Allnex resins designed for lower thermal reactivity.
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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
