Pre-Painted Aluminum Coil
1. Product Overview
Pre-painted aluminum coil is a decorative material made from high-quality aluminum alloy substrate through surface pre-treatment, chemical conversion, precision coating, and high-temperature baking processes. It perfectly combines the lightweight and high strength of aluminum alloy with the decorative appeal and weather resistance of organic coatings, offering a variety of colors, textures, and surface effects. With excellent processing performance, it can be directly used for roll forming, cutting, and other manufacturing processes, widely applied in architectural decoration, industrial manufacturing, and building materials.
2. Key Features
（1）Outstanding Weather Resistance & Durability
Using high-quality PVDF or PE coatings, it offers excellent UV resistance, corrosion resistance, and anti-chalking properties. Maintains color vibrancy and coating integrity under harsh weather conditions with a service life exceeding 20 years.
（2）Excellent Processability & Formability
The aluminum substrate offers good ductility with highly flexible coating, supporting deep drawing, bending, and rolling processes. Maintains coating integrity after processing, suitable for various special-shaped products.
Keywords: deep drawing aluminum coil, high ductility color aluminum, easy processing aluminum coil, roll forming material, complex shape substrate
（3）Rich Decorative Options
Offers hundreds of standard colors and custom color options. Achieves metallic, matte, gloss finishes and wood grain, stone patterns to meet personalized design needs.
（4）Lightweight & Eco-friendly
Low density aluminum offers light weight for easy transportation and installation. 100% recyclable with environmentally friendly production processes, ideal for green building.
Keywords: lightweight aluminum coil, eco-friendly building material, energy saving aluminum coil, economical decorative material
3.Specification
Parameter | Specification Range | Test Standard |
Substrate Material | AA1100, AA3003, AA3004, AA5005 | ASTM B209 |
Substrate Thickness | 0.2mm - 2.0mm | ASTM B209 |
Coating Type | PE Polyester, PVDF Fluorocarbon, ACM Acrylic | AAMA 2603-2605 |
Coating Thickness | Topside ≥20μm (PE), ≥25μm (PVDF) | ASTM D6132 |
Pencil Hardness | ≥HB (PE), ≥H (PVDF) | ASTM D3363 |
Bendability | 1T-3T, 180° no cracking | ASTM D522 |
Gloss Level (60°) | 10-90 GU | ASTM D523 |
Adhesion | Grade 0 (Cross-cut) | ASTM D3359 |
Salt Spray Resistance | ≥1000 hours (PE), ≥2000 hours (PVDF) | ASTM B117 |
Color Difference (ΔE) | ≤1.0 (standard), ≤0.5 (custom) | CIE Lab |
Reverse Impact | ≥50 kg·cm | ASTM D2794 |
MEK Rub Test | ≥100 times (PVDF) | ASTM D4752 |
4. Application Scenarios
(1)Architectural Decoration
Ideal for building facade panels, metal roofing, and ceiling systems. Lightweight reduces structural load while enhancing aesthetics in offices, malls, airports.
(2) Industrial Manufacturing
Used for appliance housings, lamp reflectors, automotive interiors. Excellent processability meets industrial production needs with protective and decorative functions.
(3)Home Building Materials
Suitable for integrated walls, cabinet panels, furniture. Eco-friendly and non-toxic for interior use with various patterns for different styles.
5. FAQs
Q1: What is the minimum order quantity for the colored coated aluminum sheet?
A1: Minimum order quantity is typically 3-5 tons, depending on color and specifications. Custom colors may require higher MOQ, samples available for standard products.
Q2: How long will the delivery period take?。
A2: Standard products take 10-15 days, custom colors or special specifications require 15-25 days, depending on order quantity and complexity.
Q3: How to ensure the weather resistance for outdoor use?
A3: Recommend PVDF coating with ≥70% resin content, complete coating system passes 4000+ hours salt spray test for long-term performance.
Q4: Do you support small-batch customization?
A4: Small batch customization available with color matching and startup fees. Recommend standard colors for cost efficiency.
If you want to know more, please feel free to contact us.
