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High-gloss, durable finish with excellent color retention under UV exposure.
Optimized for low-bake curing (180–200 °C), enabling energy-efficient powder coating processes.
Superior flow and leveling properties for smooth, defect-free film formation.
Excellent chemical resistance to solvents, acids, and household cleaners.
Compatible with standard TGIC and non-TGIC crosslinkers for flexible formulation design.
Architectural aluminum extrusions for façades and window frames.
Outdoor furniture and garden equipment requiring weather-resistant finishes.
Heating, ventilation, and air conditioning (HVAC) components.
Electrical enclosures and outdoor utility cabinets.
Automotive under-hood components exposed to elevated temperatures.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | White to off-white free-flowing powder |
| Appearance | Free-flowing granular solid |
| Acid Value (mg KOH/g) | 26–30 |
| Molecular Weight (Mn) | ~3,500–4,200 g/mol |
| Glass Transition Temperature (Tg) | 68–72 °C |
| Primary Applications | Exterior-grade thermoset powder coatings |
| Key Features | UV stability, low-bake performance, high gloss retention |
Q1: What is the primary application of CRYLCOAT 2478-1 in powder coating systems?
A: CRYLCOAT 2478-1 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 flow, leveling, and UV resistance.
Q2: Is CRYLCOAT 2478-1 compatible with common crosslinkers used in powder coatings?
A: Yes, it is fully compatible with standard epoxy-based crosslinkers such as triglycidyl isocyanurate (TGIC) and hydroxyalkyl amide (HAA) systems, enabling formulators to develop both conventional and TGIC-free powder coating formulations with balanced reactivity and storage stability.
Q3: How does CRYLCOAT 2478-1 perform under outdoor exposure conditions?
A: This resin delivers strong weathering performance, including good resistance to chalking, gloss retention, and color stability when properly formulated and cured—making it suitable for exterior applications where long-term durability is required.
Q4: What are typical handling and storage recommendations for this resin?
A: Store in a cool, dry place away from direct sunlight and sources of heat or ignition. Keep containers tightly sealed to prevent moisture absorption. Under recommended conditions, shelf life is typically 12 months from date of manufacture.
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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
