Super weather-resistant polyester powder coating
We are a manufacturer based in China, specializing in high-quality Super weather-resistant polyester powder coating for industrial clients worldwide. Technical support and custom formulation available.
Category：powder Coating | Brand：MT
Introduction
Super weather-resistant polyester powder coating is a thermosetting coating based on saturated carboxyl polyester resin and TGIC curing agent. It is designed for outdoor architectural metal applications requiring long-term weathering performance. The stated weathering service life is 10–15 years, depending on the product formulation, exposure conditions, substrate preparation, and application process.
COATING TYPE
Thermosetting Powder Coating
RESIN SYSTEM
Polyester / TGIC
STATED WEATHERING SERVICE LIFE
10–15 Years*
MAIN APPLICATION
Outdoor Architectural Metals
*Actual service life depends on the specific product, local climate, exposure conditions, substrate, pretreatment, and coating process.
Product Features
Polyester / TGIC System
Formulated with saturated carboxyl polyester resin and TGIC curing agent.
Multiple Surface Finishes
Available finishes include high gloss, gloss, matte, sand texture, and wrinkle effects.
Electrostatic Application
Suitable for corona electrostatic spraying, with process settings adjusted to the product and required finish.
Outdoor Architectural Use
Designed for architectural metal components exposed to outdoor conditions.
Product Advantages
Long-Term Weathering Protection
Developed for outdoor applications requiring sustained resistance to weather exposure.
Flexible Finish Selection
Different gloss levels and textures support a range of architectural appearance requirements.
Mechanical Test Data
The supplied laboratory data cover impact, bending, cupping, adhesion, and hardness.
Selected Certified Products
Some products in the series have obtained Qualicoat Class 2 certification. Confirm the certification status of the specific product.
Reference Standard
AAMA 2604-98 — High Performance Organic Coatings on Aluminum Extrusions and Panels.
Typical Applications
- Architectural aluminum profiles
- Curtain wall systems
- Outdoor decorative metal components
- Door and window frames
- Other metal surfaces requiring outdoor weathering protection
Application Conditions
Pretreatment: Phosphating or chromating, selected according to the substrate, coating system, and applicable environmental requirements.
Application method: Corona electrostatic spraying. Adjust the spraying parameters according to the product formulation and required surface finish.
Curing conditions: Follow the recommended curing schedule for the specific product. Confirm the required object temperature and curing time with the product technical data sheet.
Coating Performance
Mechanical Properties
| Test Item | Test Standard | Performance Indicator |
|---|---|---|
| Impact | GB/T 1732-93 | 50 kg·cm |
| Bending | GB 6742-86 | Φ2 mm |
| Cupping | GB 9753-88 | >6 mm |
| Adhesion | GB/T 9286-1998 | Grade 0 |
| Hardness | GB/T 6739-86 | >H |
| Mortar Resistance | GB/T 1594, GB/T 178, GB 5237.4 | No significant change |
Weathering and Environmental Resistance
| Test Item | Test Standard | Performance Indicator |
|---|---|---|
| Salt Spray Resistance | GB/T 1771-91 | Original source states a reduction of <2 mm after deposits are removed. Verify the exact test criterion before publication. |
| Moisture and Heat Resistance | GB/T 1740-79 | Original source states a change of less than one grade after deposits are removed. Verify the exact test criterion before publication. |
| Weathering Resistance | EN 20105-A02 | ≥4 |
Note: The listed performance data are laboratory results for reference. Actual results may vary depending on the exposure environment, equipment, substrate, pretreatment, film thickness, and application process.
Packaging
NET WEIGHT
20 kg/carton
PACKAGING
Carton with PE liner
Storage Conditions
- Store in a dry, well-ventilated room below 30°C.
- Avoid direct sunlight.
- The stated storage life is six months under the specified storage conditions.
Safety and Health
Follow the product-specific Safety Data Sheet (SDS) and applicable workplace safety procedures during handling and application. Avoid inhaling powder dust and use suitable respiratory protection. Minimize direct skin contact. If powder contacts the skin, wash with soap and water.
Confirm raw material hazards and curing emissions against the product-specific SDS before making claims about toxicity or emissions.
Contact Us
Looking for super weather-resistant polyester powder coating for your application? Contact our team to discuss your coating requirements, available finishes, customized colors, samples, and product specifications.
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