Color Coating Aluminium Coil (PPAL)

5000 Series Al-Mg Alloy Color Coated Aluminum Coil is a high-end anti-corrosion color coated aluminum product based on 5000 series aluminum-magnesium alloy (such as 5052. 5083). It is manufactured through sophisticated processes including strict degreasing, chemical conversion, high-quality coating application and high-temperature curing, complying with ASTM B209 and EN 573 international standards. The product takes full advantage of the aluminum-magnesium alloy's inherent high strength, excellent toughness and superior corrosion resistance. The surface coating is tightly bonded with the substrate, which can withstand harsh environments such as high salt spray, strong ultraviolet radiation and heavy rainfall. It is the first-choice material for high-end architectural decoration and harsh environment applications, and is highly recognized in global high-end markets such as Europe, North America and the Middle East coastal areas.

Product Features

1. Superior Corrosion Resistance: The aluminum-magnesium alloy substrate forms a stable and dense oxide film, which has outstanding resistance to salt spray, acid and alkali erosion. Combined with high-performance PVDF fluorocarbon coating, the outdoor service life in coastal high-salt-spray areas can reach 25-30 years, far exceeding that of ordinary aluminum-manganese alloy and pure aluminum products.

2. High Mechanical Strength: The addition of magnesium element significantly improves the strength and toughness of the product. It has excellent load-bearing capacity and impact resistance, and is not easy to deform even in complex architectural structures. It can meet the high-strength requirements of high-rise building curtain walls, large-span roof structures and other scenarios.

Excellent Weather Resistance and Color Retention: It has strong resistance to ultraviolet radiation and aging. The surface coating (especially PVDF coating) has excellent color retention, no fading or chalking even after long-term outdoor exposure, and can maintain a bright and beautiful appearance for a long time.

3. Good Processing and Forming Performance: While having high strength, it still maintains good ductility and formability, and can be processed through bending, stamping, rolling and other processes. It is suitable for the production of various complex-shaped architectural components, such as curved curtain walls and special-shaped decorative panels.

4. Lightweight and Energy-Saving: Compared with traditional steel materials, it has the advantage of light weight, which can reduce the overall weight of the building, save construction costs and improve construction efficiency. The surface coating has good light reflection performance, which can reduce indoor temperature and achieve energy-saving effects.

5. High-End Customization Options: Support customization of high-performance coating types (PVDF, high-grade PU), colors (optional RAL/NCS color card), thickness (0.4-1.5mm), width (1000-1250mm standard, customizable) and surface processes (smooth, wood grain embossing, stone grain embossing), to meet the personalized decoration needs of high-end projects.

6. Environmental Protection and Durability: The product complies with REACH, ROHS and other international environmental standards, with low VOC emissions and recyclable. It has a long service life and low later maintenance costs, which is in line with the concept of green and sustainable construction.

Application Scenarios

1. High-End Rolling Shutter Doors and Windows: Used as raw materials for rolling shutter door panels and window slats in high-end residential areas, luxury shopping malls and coastal areas, combining anti-corrosion, anti-theft and decorative functions.

2. High-End Building Curtain Walls: Used for curtain wall panels of high-rise buildings, luxury shopping malls, five-star hotels and other high-end buildings, highlighting the high-end decoration effect and long-term durability.

3. Coastal Architectural Enclosure: Suitable for wall and roof enclosure materials of coastal buildings, ports, seaside resorts and other high-salt-spray environments, with excellent anti-corrosion performance to resist sea breeze erosion.

4. High-End Decoration Fields: Used for indoor and outdoor decoration of high-end clubs, exhibition centers, airports and other places, such as ceiling decoration, partition walls, decorative screens, etc., with a variety of high-end surface processes to create a high-grade atmosphere.

5. Special Environment Applications: Applicable to architectural materials in harsh environments such as chemical plants, coastal industrial zones (with acid and alkali corrosion), and high-altitude areas (with strong ultraviolet radiation), ensuring stable performance and long service life.

Production Process Flow

Paint System

A variety of paint systems are available for the large number of applications of painted coil.

Polyester paints

* Polyester primer and polyester finishing coat.

* Layering 8-40um (depending on color and application)

* Excellent ductility

* Extensive color range, high degree of gloss

* Limited durability regarding UV and weathering

PU/PA Paints

* Extreme form and temperature stability

* Weathering resistant

* Versatile colour range

* High mechanical durability

* Proven in saltwater, industrial and sun intensive climates

* Especially for roller shutter slats and roller shutter box ect.

PVDF Paints

* Excellent weathering and UV properties

* Excellent color and gloss durability

* Excellent corrosion and chemical resistance

* Very good ductility

* Double coating system consisting of primer and finishing layers. Layering thickness

* Approx 25um. Degree of gloss (60 °measuring angle): approx.20 units (Gardner)

Epoxy Paint

* Outstanding chemical resistance

* High flexibility

* Ideal for interior use