Color-coated Aluminum Coil for Blinds

Application of Color-Coated Aluminum Coils in Louver Blinds

Color-coated aluminum coils have become the mainstream material for modern louver blinds. With four core advantages—“lightweight yet high-strength, rich color options, weather-resistant durability, and easy maintenance”—they have completely replaced traditional metal and wooden louver blinds. They are widely used in architectural applications for sunshading, ventilation, and light control.

I. Core Advantages of Color-Coated Aluminum Coil Blinds

1. Balance of Lightweight and High Strength

Lightweight: With a density of just 2.7 g/cm³, it weighs one-third as much as steel. For the same area, it is approximately 65% lighter than color-coated steel sheets, significantly reducing installation complexity and structural load pressure.

High Strength: Through alloying treatment (3003/3004/5052 series), bending strength reaches 180-220MPa, delivering excellent wind resistance suitable for high-rise buildings.

Resistant to Deformation: Maintains stable shape even in ultra-thin specifications (0.15-0.2mm), preventing sagging during long-term use.

2. Superior Weather Resistance and Protective Properties

Waterproof and moisture-resistant: Dense surface coating + natural corrosion resistance of aluminum substrate, suitable for humid environments like bathrooms and kitchens

UV resistance and aging resistance: Premium coating blocks 99% of UV rays, maintaining vibrant colors for over 10 years without fading

Acid and alkali corrosion resistance: Maintains stable performance in harsh environments like acid rain and industrial pollution, with a service life of 10-25 years (Depending on coating type)

3. Endless Possibilities in Color and Design

Rich Color Palette: Customizable with over 100 solid, metallic, and pearlescent hues

Diverse Textures: High-gloss, matte, woodgrain, and stone-effect finishes to complement various architectural styles

Personalized Customization: Unique textures and translucency achieved through embossing, perforation, and other techniques

4. Environmental Sustainability

100% recyclable: High recycling rate for scrap aluminum, meeting green building standards

Low VOC emissions: Premium coatings are eco-friendly and non-toxic, ensuring healthier indoor environments

II. Parameters for Color-Coated Aluminum Coils for Venetian Blinds

1. Alloy Series Selection

2. Thickness Specifications

Curtain-style louvers: 0.12–0.21 mm, lightweight and flexible, suitable for manual/electric curtain blinds

Sunshade louvers: 0.3–0.5 mm, balanced rigidity and lightweight, suitable for external sunshade systems

Large outdoor louvers: 0.6–0.8 mm, high strength, strong wind load resistance, suitable for industrial plants and commercial buildings

3. Coating System (Determines Service Life and Appearance)