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Excellent chemical resistance to solvents, acids, and alkalis in cured powder coatings.
High glass transition temperature (Tg) enabling superior storage stability and reduced blocking tendency.
Optimized for high-gloss, smooth film formation with excellent flow and leveling characteristics.
Low melt viscosity ensures efficient electrostatic application and uniform film build on complex substrates.
Compatible with standard TGIC and hydroxyalkylamide (HAA) curing agents for flexible formulation design.
Architectural aluminum extrusions requiring durable, weather-resistant finishes.
Appliance housings and panels demanding high scratch and corrosion resistance.
Office furniture and shelving systems requiring aesthetic consistency and mechanical robustness.
Automotive non-structural components such as trim and under-hood parts.
General industrial metal fabrication where long-term color and gloss retention are critical.
| Chemical Type | Saturated polyester resin for thermosetting powder coatings |
| Product Form | Pale yellow to light amber solid granules |
| Appearance | Free-flowing, homogeneous granules |
| Acid Value (mg KOH/g) | 22–26 |
| Hydroxyl Value (mg KOH/g) | 3–7 |
| Melt Viscosity (mPa·s, 180°C) | 3,500–4,500 |
| Glass Transition Temperature (°C, DSC) | 68–72 |
| Primary Applications | Exterior and interior powder coatings for metal substrates |
Q1: What is the primary application area for Uralac SN847?
A: Uralac SN847 is specifically designed for high-performance powder coating formulations targeting architectural and industrial metal substrates, where excellent flow, gloss retention, and weather resistance are required.
Q2: Is Uralac SN847 compatible with standard TGIC-free curing systems?
A: Yes, it is formulated to be fully compatible with common TGIC-free crosslinkers such as β-hydroxyalkyl amides (HAA), enabling robust cure profiles and low-temperature processing flexibility.
Q3: How does Uralac SN847 contribute to film appearance in powder coatings?
A: It delivers outstanding melt viscosity control and leveling behavior, supporting high-gloss finishes and minimizing surface defects such as orange peel or pinholes—especially in thick-film applications.
Q4: What handling precautions should be observed during storage and processing?
A: Store in a cool, dry place away from direct sunlight and moisture. Maintain sealed packaging to prevent humidity uptake, which may affect flow properties and electrostatic charging performance during application.
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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
