Color coated aluminum coil refers to an aluminum coil that has been coated with a layer of paint or a protective coating in various colors. This coating is applied to the surface of the aluminum coil through a process known as coil coating or pre-painting. The purpose of color coating aluminum coils is to enhance their aesthetics, provide additional protection, and allow for customization in various applications.
| Variety | Alloy | Temper | Size(mm) | Adopted Standard |
| Thickness | Width |
| Hot rolled coil | 1x3x5x8x series | OFH112 | 2.5~7.0 | 900~1700 | GB/T16501 |
| Stock for micron foil | 1235 | H14 | 0.25~0.50 | 900~1500 | EL/X79
EL/X24 |
| Coating sheet | 1x3x5x series | H14H16H18H22H24H26 | 0.18~0.75 | 1200~1550 | EL/X260 |
| Curtain coil | 11003003 | H12H22H24H26 | 1.5~3.0 | 1000~1500 | SWA/X2402 |
| 50055052 | H22H24H32H34 |
| Lithographic coil | 1050 | H18 | 0.23~0.28 | 650~1500 | YS/T421
EL/X251 |
| Can stock | 3104 | H19 | 0.28~0.31 | 1000~1550 | YS/T435 |
| Ceiling stock | 1x3x series | H14H24H16H26 | 0.4~1.0 | 200~1450 | X/SWA21211 |
| 50055052 | H24H22 |
| Bottle lids stock | 8011 | H16H18 | 0.20~0.30 | 500~1550 | YS/T91
EL/X273 |
| Coil for Al-composite pipe | 1x3x8x series | OH22 | 0.2~1.5 | 30~1550 | YS/T434 |
| Other coils | 1x3x8x series and 50055052 | OH1xH2x | 0.20~6.0 | 60~2400 | GB/T8544
EL/X246 |
| 5x series | OH1xH2xH3x | 0.3~4.0 | 900~2000 |
| 2x6x series | OH18 | 0.5~4.0 | 900~1800 |
| Remark:coil inner diameter for 405505605mm could be supplied,maximum coil outer diameter is 1750mm. |
Coating type
Paint coating: Paint coatings are applied to aluminum coil using spray painting, roll coating, or other painting methods. These coatings can be either organic or inorganic and can provide good color retention, corrosion resistance, and durability. Paint coatings can be applied in a wide range of colors and finishes to meet specific design requirements.
Powder coating: Powder coating is a type of dry coating that is applied to aluminum coil using electrostatic spraying. The powder is then fused onto the surface of the aluminum coil through heating, forming a smooth and uniform coating. Powder coatings are durable, scratch-resistant, and have good color retention.
Anodizing: Anodizing is an electrochemical process that converts the surface of aluminum into a durable oxide film. This oxide film can be dyed to achieve different colors and provides corrosion resistance, wear resistance, and scratch resistance. Anodizing is often used to create a decorative finish on aluminum coil.
PVC coating: PVC (polyvinyl chloride) coating is a type of plastic coating that is applied to aluminum coil using extrusion or lamination methods. PVC coatings are flexible, waterproof, and have good chemical resistance. They are often used in building materials, such as aluminum composite panels, to provide durability and protection against weathering.
The surface finish of color-coated aluminum coil refers to the texture, gloss, and appearance of the coating applied to the aluminum surface. The surface finish can vary depending on the coating type, coating process, and desired aesthetics. Here are some common surface finishes for color-coated aluminum coil:
Glossy finish: A glossy finish is achieved when the coating is applied with a high gloss level, resulting in a shiny and reflective appearance. Glossy finishes are commonly used for decorative purposes, such as architectural facades and exterior cladding, to create a vibrant and modern look.
Matte finish: A matte finish has a low gloss level and appears dull or flat. It provides a more subdued and uniform appearance, without the shiny reflections of a glossy finish. Matte finishes are often preferred for indoor applications or where a low-maintenance and non-reflective surface is desired.
Textured finish: Textured finishes introduce a specific pattern or design to the surface of the color-coated aluminum coil. This can be achieved by using different coating techniques, such as embossing, rolling, or printing, to create a unique and decorative appearance. Textured finishes are often used for architectural applications, such as cladding and facades, to add visual interest and depth.
Brushed finish: A brushed finish is created by using a brushing tool to remove small amounts of the coating, revealing the bare aluminum beneath. This process creates a subtle, linear pattern on the surface, giving it a soft and elegant appearance. Brushed finishes are popular for interior applications, such as architectural trim and door frames.
