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Sunrise Aluminium Pigments

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Application of Aluminum Powder in Powder Coatings

Release time：

2025-09-29

Aluminum powder remains a pivotal component in powder coatings, blending functionality and aesthetics. With ongoing advancements in surface treatment and particle engineering, its role in corrosion protection and decorative finishes will continue to grow, driving industry progress.

Basic Properties of Aluminum Powder

Aluminum powder, primarily composed of aluminum, exhibits a silvery-white metallic luster with a melting point of 685°C and a boiling point of 2065°C, ensuring stability under high-temperature conditions. Its flakes-like structure enables excellent dispersion in coatings, contributing to both functional and aesthetic enhancements.

2. Key Roles in Powder Coatings

Enhanced Corrosion Resistance: By forming a physical barrier and leveraging electrochemical protection, aluminum powder blocks corrosive media (e.g., water, oxygen) from damaging substrates.
Superior Mechanical Performance: It improves coating weatherability and abrasion resistance, extending service life in harsh environments.
Aesthetic Appeal: The powder imparts a metallic finish with high gloss and reflectivity, elevating visual sense and decorative value.

3. Technical Advantages of Specialized Variants

	Type		Character	Applications
Leafing Aluminum Powder	Ordered arrangement for uniform metallic texture; chrome-plating-like appearance; enhanced durability	Automotive, home appliances
Double-Coated Powder	Organic-inorganic dual protection for outdoor use; improved weather resistance.	Architectural, outdoor equipment
Uniform Particle Size	Narrow particle distribution ensures easy dispersion and consistent coating quality	General industrial coatings