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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 with TGIC and HAA curing agents for balanced gel time and full cure.
Low melt viscosity enabling efficient extrusion and consistent powder particle formation.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Automotive exterior trim and under-hood components.
Outdoor furniture and garden equipment coatings.
General industrial metal finishing requiring durable, decorative finishes.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing granules |
| Appearance | Off-white to light yellow granules |
| Acid Value (mg KOH/g) | 26–30 |
| Melt Viscosity (Pa·s @ 180 °C) | 2,500–3,500 |
| Gel Time (sec @ 200 °C, with 5% TGIC) | 90–120 |
| Primary Applications | Exterior-grade TGIC and HAA-cured powder coatings |
| Key Features | Weather durability, high gloss, low melt viscosity, balanced reactivity |
Q1: What is the primary application of CRYLCOAT 4874-0 in powder coatings?
A: CRYLCOAT 4874-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free and TGIC-containing hybrid powder coating systems, offering balanced reactivity, excellent flow, and good mechanical properties for architectural and general industrial applications.
Q2: How does CRYLCOAT 4874-0 perform in terms of weather resistance and UV stability?
A: As a medium-to-high molecular weight aliphatic polyester, CRYLCOAT 4874-0 delivers good inherent UV resistance and long-term gloss retention, making it suitable for outdoor applications where moderate to high durability is required—though performance depends on full formulation, including curing agent selection and pigment/binder ratio.
Q3: Is CRYLCOAT 4874-0 compatible with common epoxy-based crosslinkers?
A: Yes, CRYLCOAT 4874-0 is formulated for compatibility with standard glycidyl-functional crosslinkers such as triglycidyl isocyanurate (TGIC) and β-hydroxyalkylamide (HAA) systems, enabling flexible formulation design for both standard and low-cure or high-gloss applications.
Q4: What are the recommended storage conditions to maintain resin stability?
A: Store CRYLCOAT 4874-0 in its original sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Prolonged exposure to elevated temperatures or humidity may affect handling properties and shelf life.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
