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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, acids and alkaline cleaners.
Optimized reactivity for efficient curing with TGIC-free crosslinkers.
Low melt viscosity enabling smooth electrostatic powder coating application.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Automotive exterior trim and under-hood components.
Outdoor furniture and garden equipment.
Industrial enclosures and electrical cabinets.
Heating, ventilation and air conditioning (HVAC) housings.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pellets |
| Appearance | Off-white to light yellow, free-flowing pellets |
| Acid Value (mg KOH/g) | 27–33 |
| Gardner Color (10% w/w in MEK) | ≤ 3 |
| Melt Viscosity (200 °C, Pa·s) | 25–40 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Primary Applications | TGIC-free and HAA-cured high-performance powder coatings |
Q1: What is the primary application of CRYLCOAT 4669-0 in powder coatings?
A: CRYLCOAT 4669-0 is a low-Tg, carboxyl-functional polyester resin specifically designed for use in low-cure and ultra-low-cure thermosetting powder coating systems, particularly where enhanced flow, improved edge coverage, and reduced energy consumption during curing are required.
Q2: Is CRYLCOAT 4669-0 compatible with standard epoxy-based crosslinkers?
A: Yes — it is formulated to react efficiently with conventional glycidyl-functional crosslinkers such as triglycidyl isocyanurate (TGIC) and hydroxyalkyl amide (HAA) systems, offering good storage stability and balanced reactivity under typical powder coating processing conditions.
Q3: How does CRYLCOAT 4669-0 support sustainability goals in powder coating formulations?
A: Its low-cure performance enables significant energy savings during the curing stage, supporting lower carbon footprint operations. Additionally, it contributes to high transfer efficiency and near-zero VOC emissions — consistent with modern industrial sustainability and regulatory expectations for solid coatings.
Q4: Can CRYLCOAT 4669-0 be blended with other polyester resins to modify film properties?
A: Yes — it is commonly blended with higher-Tg or higher-acid-value polyesters to fine-tune cure response, gloss level, mechanical durability, and chemical resistance without compromising processability in extrusion or electrostatic spraying.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
