Great! Looking for competitive pricing on aluminum profile processing? Contact us for more information - Suzhou Boli Metal Materials Co., Ltd. Industrial aluminum profiles are typically silver in color after surface treatment, but they also come in black and other customizable colors. The surface-treated profiles are coated with a protective film, also known as an oxide film, which safeguards the aluminum surface against corrosion, wear, and rust, making the industrial aluminum profiles suitable for use in humid environments. The wide application of aluminum profiles in industrial production has led to their categorization into a distinct category.