Powder Coatings for Container

In the arteries of global trade, containers serve as the cornerstone of cargo transportation, traversing oceans and continents day and night while enduring extreme climates and harsh physical challenges. Their long-term structural integrity and cargo safety rely not only on robust steel frames but also on an invisible layer of "armor"—high-performance protective coatings. These coatings must withstand extreme environmental conditions worldwide, including intense ultraviolet radiation, high temperatures, humidity, and salt spray corrosion, while also resisting various physical impacts during loading, unloading, stacking, and the handling of heavy cargo.

AAB Group, leveraging advanced powder coating technologies and solutions, is becoming a key protective partner for the global container industry. Our powder coatings are evenly applied to container surfaces through electrostatic spraying, forming a sturdy and smooth layer that not only enhances the aesthetic quality of containers but also strengthens their resistance to climate changes and physical wear. Compared with traditional liquid coatings, powder coatings entail lower maintenance costs and offer greater durability, reducing the need for frequent repairs. Moreover, any unattached powder generated during the spraying process can be recycled and reused, improving material utilization and making the container coating process more environmentally friendly and economical.

AAB Group's powder coatings feature solvent-free and zero VOC emissions, significantly reducing their negative impact on the environment and meeting the environmental standards for green and sustainable development. Our production processes and product quality management systems strictly adhere to international standards such as ISO 9001, RoHS, and REACH. In addition, AAB Group offers a wide range of color options and surface finishes, catering to the customized needs of different brand clients, thereby enhancing the unique visual appeal of containers.

Advantages of Our Container Powder Coatings

• Extreme Weather Resistance, Combating Climate Aging: 

  The product effectively blocks and reflects intense UV radiation, preventing premature chalking, fading, and loss of gloss on the container surface. This ensures that containers maintain excellent appearance and clear identification even after prolonged exposure to sun and rain.

• Superior Corrosion Resistance, Withstanding Salt Spray Erosion: 

  The specially optimized coating system offers strong resistance to salt spray, humid atmospheres, and industrial pollutants, effectively preventing electrochemical corrosion. This is crucial for ensuring container durability in marine environments and extending service life.

• Robust Mechanical Performance: 

  The coating can withstand instant scratches and impacts from handling equipment during loading and unloading, the sustained static load from multi-layer stacking, and the repeated stress from vibration and shock during heavy cargo transportation. It ensures the coating remains crack-free and non-peeling under harsh physical conditions, providing lasting barrier protection for the container body.

• Safety and Compliance: 

  Interior wall coatings strictly adhere to relevant health and safety standards (e.g., awareness of requirements for food transportation). The coating is dense, smooth, non-toxic, and odor-free, preventing dirt accumulation, protecting cargo from contamination, and enabling quick cleaning and inspection.

• Chemical Resistance and Anti-Staining: 

  The coating resists minor chemical erosion and oil penetration from various types of cargo, protecting the container structure and maintaining a clean loading environment.

• Eco-Efficient Production Process: 

  Powder coatings are applied via electrostatic spraying, achieving nearly 100% material utilization with zero volatile organic compound (VOC) emissions. This fully aligns with the increasingly stringent global trends toward green manufacturing and sustainable development.

• Outstanding Coating Performance: 

  A single spray application achieves a thick-film coating with excellent leveling and strong adhesion. It avoids common defects of traditional liquid coatings, such as sagging or dripping, ensuring uniform and stable coating quality.

• Customized Solutions: 

  AAB Group possesses robust R&D capabilities and can provide the most cost-effective coating solutions tailored to customers’ specific operational routes (e.g., polar routes, tropical routes), cargo types, and container materials (e.g., steel, aluminum).

• Quality and Standard Certification: 

  The production process and product quality management system comply with international standards, including ISO 9001, ISO 14001 , RoHS, and REACH, which ensures reliable performance and consistent quality for every batch.

Applications of Our Container Powder Coatings

1. Shipping Containers

• Exterior Coating: Powder coatings are used to protect the exterior of containers from corrosion and rust caused by prolonged exposure to saltwater, sunlight, and humidity. The powder coating forms a durable protective layer that provides long-term corrosion resistance.

• Frame and Undercarriage: The undercarriage and frame of containers bear a lot of pressure and friction. Powder coatings provide wear resistance and corrosion protection, extending the container's lifespan.

• Doors, Hinges, and Lock Mechanisms: These parts are exposed to the external environment. Powder coatings help prevent corrosion and minimize wear from frequent opening and closing.

2. Refrigerated Containers

• Exterior Coating: Powder coatings provide salt spray, UV, and temperature resistance, protecting the refrigerated container from corrosion in harsh weather conditions.

• Interior Coating: The interior walls of reefer containers need moisture and mold protection. Powder coatings offer effective moisture barriers, preventing condensation or frost buildup that could affect the container's performance.

• Refrigeration Unit Protection: The outer surfaces of the refrigeration unit are also protected with powder coatings, preventing damage from salt spray and humidity.

3. Liquid Containers

• Interior Coating: Used for tank containers that transport chemicals or liquid food items. Powder coatings are applied to the interior to prevent chemical corrosion of the metal surface.

• Exterior Coating: Powder coatings on the exterior provide protection against environmental factors like salt, rain, and corrosion.

• Joints and Connectors: Powder coatings are also applied to joints and connectors to prevent leakage of chemicals and corrosion.

4. Open Top Containers

• Exterior Coating: Open-top containers are fully exposed to the elements. Powder coatings provide corrosion protection to the external structure, preventing rust from prolonged exposure to sunlight and rain.

• Frame and Supports: The frame and support components of open-top containers are subject to friction and impact. Powder coatings improve wear resistance and corrosion resistance in these areas.

5. High Cube Containers

• Frame and Exterior Coating: High cube containers, being larger than standard containers, require enhanced durability. Powder coatings offer increased weather resistance, UV protection, and corrosion resistance.

• Undercarriage Protection: The undercarriage of high cube containers must withstand pressure from the ground and other containers. Powder coatings provide strong abrasion and corrosion resistance.

6. Flat Rack Containers

• Exterior Coating: Flat rack containers are completely exposed to the external environment as they lack sides or a top. Powder coatings protect the metal surface from corrosion due to exposure to sunlight, rain, and salt.

• Supports and Base Protection: Powder coatings enhance the durability of the support structures and the base, which bear the weight of the cargo.

7. Specialty Containers

• Custom Coatings: For specialty containers (such as those used for transporting chemicals, hazardous materials, etc.), powder coatings can be customized for specific functions like enhanced chemical resistance, fire protection, or explosion-proof capabilities.

• Surface Coating: Specialty containers require additional protection for their surfaces. Powder coatings provide strong protection against damage, chemical corrosion, and other environmental factors.

Package and Storage

25 kg/box, dry ventilation conditions below 30℃.

Feel free to contact us for customized products' specification and package