中文简体
EnglishGloss Retention Powder Coating
Industrial-grade protective coating solutions: environmentally friendly, durable, and cost-effective.
Intro to Gloss Retention Powder Coating
Gloss Retention Powder Coatings are high-performance finishes specifically formulated to maintain the original surface gloss level over extended periods, particularly under severe weathering and UV exposure. These coatings are primarily based on Super Durable Polyesters or Fluoropolymers (FEVE/PVDF), designed to resist the chemical degradation (photo-oxidation) that leads to chalking, dulling, and gloss loss. They are the go-to solution for high-visibility exterior architectural and automotive applications where long-term aesthetic fidelity is a critical requirement.
UV Stability and Polymer Integrity
The preservation of gloss is directly tied to the polymer's stability against ultraviolet (UV) radiation. Standard polyesters eventually suffer from photo-oxidation, which breaks down the polymer chains, resulting in a fine, white surface powder known as chalking, and a rapid reduction in specular gloss. Gloss Retention coatings address this by using advanced resin systems with higher functionality and chemical cross-link density, coupled with concentrated packages of HALS (Hindered Amine Light Stabilizers) and UV Absorbers. For the most demanding applications (like AAMA 2605), Fluoropolymer chemistry is used, offering superior energy bonds that are highly resistant to UV attack, guaranteeing minimal gloss loss (often ≤50% loss after 10 years). The selection ensures that the intended aesthetic—whether high-gloss or semi-gloss—remains true to the initial specification for the duration of the asset's life cycle.
Specifications
| Property | High Gloss Retention Value (AAMA 2604/2605) |
| Chemical Base (Premium) | Super Durable Polyester or FEVE (Fluoropolymer) |
| 5-Year Gloss Retention | ≥50% (AAMA 2604) or ≥80% (AAMA 2605) |
| UV Stabilization | High concentration of HALS and UV Absorbers |
| Chalk Resistance | Very High (Minimal chalking) |
| Color Stability (ΔE) | Excellent (Minimal color shift) |
| Application Focus | Long-term Exterior Aesthetics/High-Value Assets |
| Film Integrity | Must maintain density against weather penetration |
| Gloss Range Available | Matte to High Gloss (5 to 90 units) |
Application Fields
- Architectural Facades and Cladding: Buildings where brand image and long-term appearance are paramount.
- Automotive Trim and Accessories: Parts requiring a high-gloss, durable finish against road wear.
- Marine and Coastal Structures: Exposed metalwork requiring stability against UV and salt.
- Signage and Display Units: Outdoor advertising and branded kiosks.
- High-End Outdoor Furniture: Where aesthetic retention is key to product value.
Key Characteristics
- Aesthetic Longevity: Preserves the original intended gloss level and finish appearance for years.
- Superior UV Protection: Minimizes polymer degradation, preventing chalking and dulling.
- High Value Preservation: Reduces the need for costly recoating and maintenance cycles.
- Certified Performance: Often meeting stringent industry standards (AAMA 2604/2605).
- Excellent Color Stability: Maintains the intended color hue alongside the gloss level.
Comparison: High Gloss Retention vs. Standard Polyester
| Feature | High Gloss Retention (Super Durable/FEVE) | Standard Exterior Polyester |
| UV Degradation Rate | Very Low | Moderate to High |
| 5-Year Gloss Loss | Minimal (Guaranteed % retention) | Significant (No % guarantee) |
| Cost | Premium (Higher resin/additive cost) | Standard |
| Service Life | Very Long (≥10 years) | Moderate (≤5 years) |
| Chalking Potential | Very Low | Moderate to High |
Why choose us
Customization: We have a strong R&D team,and we can develop and produce products according to different requirement of customers.
Cost: We have our own raw material production center.So we can offer the most favourable price and good-quality products directly.
Quality: We have our own testing lab and the most advanced and complete inspection equipment, which can ensure the quality of our products.
Capacity: Our annual production capacity is over 30000 tons, we can meet the needs of different customers with diverse purchase quantity.
Service: We focus on developing high-quality products for top-end markets. Our products are in line with international standards, and are mainly exported to Europe, America, Southeast Asia, South America and other destinations around the world.
Shipment: We are only 200 kilometers away from the Shanghai Port and 230 kilometers to Ningbo port, it is very convenient and efficient to ship goods to any other countries.
Customization
Quality
Capacity
Service
Shipment
Frequently Asked Questions (FAQs)
- Q: Does high-gloss powder retain gloss better than low-gloss powder?
- A: High-gloss coatings generally show the visual effect of gloss loss more dramatically. However, the chemistry of the powder (Super Durable vs. Standard) is the factor that determines the rate of gloss loss, regardless of the initial gloss level.
- Q: Can the gloss retention be guaranteed for interiors?
- A: Yes. For interiors, the risk is not UV but chemical/abrasion. Any standard coating will retain gloss well, but high-gloss finishes must be protected from physical damage.
- Q: What is the highest level of gloss retention available?
- A: The highest commercially recognized standard is AAMA 2605, typically achieved with FEVE fluoropolymer powder, which offers the greatest resistance to weathering and minimal gloss change.
Selection Guide: Gloss Retention Powder
Select Gloss Retention Powder Coating when:
- The application is exterior, high-visibility, and exposed to continuous UV light and severe weather.
- Maintaining the original aesthetic appeal (gloss and color) is the top priority for asset value.
- The project demands compliance with long-term performance standards (e.g., AAMA 2604 or 2605).
- The long-term cost of recoating/maintenance must be minimized.
- The chosen finish (e.g., high-gloss black) is visually sensitive to any degree of dulling or chalking.
