Aluminum panels come in a wide range of color options, and different surface processes can vary greatly in color difference and fading resistance. When purchasing, choose the appropriate coloring process based on the usage scenario.

Currently, the mainstream coloring processes for aluminum panel panels include rolling, spraying, lamination, baking, and anodizing. For outdoor curtain wall projects, prioritize fluorocarbon spraying technology. Fluorocarbon spray pigments have excellent UV resistance, fade slowly with long-term outdoor use, and have stable color difference control, making them suitable for sunlight environments.

Ordinary powder coating offers rich colors and affordable prices, but has weak weather resistance. Prolonged direct sunlight will gradually fade and is more suitable for indoor ceilings and interior wall decoration, not recommended for high-rise exterior walls. Color differences are more likely to occur between powder coating batches, so for bulk purchases, it is necessary to confirm production within the same batch.

Lamination and heat transfer printing processes can simulate wood grain, stone grain, and other effects. These process surface films age easily after prolonged exposure to sunlight, so they are generally recommended for indoor or backlit exterior walls, as exposure to sunlight shortens their lifespan.

Anodizing process presents a natural metallic texture, excellent wear resistance, with limited color choices, mostly metallic tones. The oxide film has good stability and minimal color difference, and is mostly used in decorative components.

When purchasing, prioritize confirming the color swatch. Confirm the standard color chart, requiring the factory to sample according to the standard color swatch and confirm the color. For large orders, try to produce in the same batch to reduce color differences between batches. For outdoor projects, focus on the weather resistance test report. Don't just look at the current color of the sample; also consider fading after long-term use.