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High-gloss, durable finish with excellent leveling and flow characteristics.
Optimized for TGIC-free curing systems, supporting sustainable powder coating formulations.
Superior UV resistance and long-term color retention in outdoor applications.
Consistent melt viscosity enabling reliable extrusion and fine particle size distribution.
Excellent chemical resistance to solvents, cleaning agents, and mild acids.
Architectural aluminum profiles for façades and curtain walls.
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Street lighting fixtures and traffic infrastructure elements.
Consumer electronics housings requiring weatherable aesthetics.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Off-white to light yellow granules |
| Appearance | Free-flowing granular solid |
| Acid Value (mg KOH/g) | 36–42 |
| Gardner Color (10% w/w in MIBK) | ≤ 2 |
| Softening Point (°C, ASTM E28) | 78–84 |
| Number Average Molecular Weight (g/mol) | ~3,500–4,200 |
| Primary Applications | Exterior-grade TGIC-free and HAA-cured powder coatings |
Q1: What is the primary application of CRYLCOAT 1783-1 in powder coatings?
A: CRYLCOAT 1783-1 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free and HAA-cured architectural and industrial powder coating systems, offering excellent flow, mechanical durability, and long-term weather resistance.
Q2: How does CRYLCOAT 1783-1 perform under outdoor exposure conditions?
A: This resin delivers robust UV stability and gloss retention in exterior applications, supporting high-performance formulations that meet industry expectations for chalk resistance and color stability after extended QUV and natural weathering exposure.
Q3: Is CRYLCOAT 1783-1 compatible with standard curing agents used in polyester-based powder coatings?
A: Yes — it is fully compatible with common hydroxyalkyl amide (HAA) crosslinkers and has also been successfully formulated with alternative TGIC-free systems such as β-hydroxyalkylamide derivatives and certain blocked isocyanates, depending on the desired cure schedule and performance profile.
Q4: What are the recommended storage conditions to maintain resin integrity?
A: Store in original unopened containers in a cool, dry, well-ventilated area away from direct sunlight and sources of heat or ignition; avoid prolonged exposure to temperatures above 35 °C or high humidity to prevent premature agglomeration or viscosity change.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
