Color coated aluminum coil is produced by applying high-quality paint onto cleaned and pre-treated aluminum substrate through continuous roller-coating and baking. With uniform coating, excellent adhesion, rich colors, and strong weather resistance, it is widely used in building façade, roofing system, gutters, ceiling panels, ACP, and signage industries.
Our color-coated coils feature stable mechanical performance, strict color difference control, and long-lasting outdoor durability, making them ideal for both architectural and industrial applications.
We provide advanced coating systems to meet different environmental and durability requirements.
Good flexibility and processability
Excellent gloss and color variety
Cost-effective solution
Suitable for indoor and mild outdoor environments
Typical durability: 10–15 years
Made with 70% Kynar 500 / Hylar 5000
Outstanding UV resistance and weather stability
Excellent chalking and color-fade resistance
Anti-corrosion and chemical resistance
Ideal for high-end building façades
Typical durability: 20–30 years outdoor
FEVE fluororesin for high-gloss projects
Anti-graffiti coating
Nano self-cleaning coating
Embossed pattern coating (wood/marble)
Durable and Weather-Resistant: High-quality PE coating provides excellent resistance against corrosion, UV, and harsh environmental conditions.
Lightweight and Strong: Aluminum material ensures a strong yet lightweight solution for architectural and industrial projects.
Versatile Applications: Suitable for building facades, roofing, interior wall panels, signage, and industrial equipment.
Customizable Options: Available in a wide range of colors, thicknesses, and coil widths to meet specific project requirements.
Eco-Friendly: Aluminum is 100% recyclable, making it a sustainable choice for modern construction projects.
AA 1100, 3003, 3004, 3105, 5052
Temper: H14 / H16 / H24 / H26 / O
| Item | Specification |
|---|---|
| Thickness | 0.20–1.50 mm |
| Width | 20–1600 mm |
| Coil ID | 405 / 505 mm |
| Coil Weight | 2–3 MT |
Top coating: 12–25 μm (PE), 20–30 μm (PVDF)
Back coating: 5–10 μm
| Test Item | Standard | Performance |
|---|---|---|
| Pencil Hardness | ASTM D3363 | HB–2H |
| Adhesion | ISO 2409 | Grade 0–1 |
| T-bend | ASTM D4145 | ≤ 2T (PE), ≤ 3T (PVDF) |
| Impact Resistance | ASTM D2794 | ≥ 50 kg·cm |
| Salt Spray | ASTM B117 | ≥ 1000 hrs (PVDF) |
| Humidity Resistance | ASTM D2247 | ≥ 1000 hrs |
These parameters demonstrate industrial-grade quality and long-term durability.
We offer a wide selection of colors and surface finishes to meet architectural design needs.
RAL classic colors (RAL 9003, 9005, 7016, 8014, etc.)
High-gloss / matte
Metallic colors
Wood grain (oak, walnut, teak)
Marble grain
Brushed / embossed finish
Color difference strictly controlled within ΔE ≤ 1.0 to ensure consistent appearance across batches.
Color coated aluminum coils are used in a wide range of architectural and industrial sectors.
Exterior wall cladding
ACP (Aluminum Composite Panel)
Roofing sheets
Curtain wall panels
Soffit and ceiling systems
Downpipe
Gutter coil
Fascia board
Trim coil
Ceiling tiles
Partition panels
Light-reflecting panels
Advertising boards
Traffic signs
Rolling shutter doors
Household appliances panel
| Application | Recommended Alloy | Coating Type | Key Advantage |
|---|---|---|---|
| Façade & Curtain Wall | 3004 / 3005 | PVDF | Strong UV & corrosion resistance |
| Roofing Sheet | 3003 / 3105 | PVDF | Long-term outdoor durability |
| ACP Core Material | 3003 | PE / PVDF | Easy bending & bonding |
| Rain Gutter | 3105 | PE | Good flexibility |
| Ceiling Panel | 1100 / 3003 | PE | Lightweight & smooth finish |
| Signage Board | 3003 | High-gloss PE | Bright color and good flatness |
At Yuqi Metal, we also offer a Custom Aluminum Coil Coating Line, designed to meet the specific needs of our clients. This advanced coating line allows for:
Tailored Coating Solutions: Customize coatings to achieve desired aesthetics and performance characteristics.
Enhanced Production Efficiency: Streamlined processes reduce lead times and increase throughput.
High-Quality Standards: Consistent coating quality ensures uniformity and reliability.
Flexible Production Capabilities: Adaptable to various coil sizes and specifications.
This capability enables us to provide bespoke solutions that align with your project's unique requirements.
Our color-coated coils are produced through a fully automated continuous coating line.
Degreasing & Cleaning
Chemical Pretreatment
Chromizing / Conversion Coating
Primer Coating
Top Coating (PE / PVDF / FEVE)
Curing in Oven (2-coat or 3-coat system)
Cooling & Final Inspection
Film Lamination (Optional)
This ensures uniform coating, excellent adhesion, and consistent color performance.
Advanced 3-coating / 2-bake technology
Top international paint suppliers (AkzoNobel, PPG, Becker)
Excellent color consistency (ΔE ≤ 1.0)
High UV & corrosion resistance
Fast delivery with stable production capacity
OEM/ODM color customization available
Strict inspection before shipment
Eye-to-sky or eye-to-wall packaging
Waterproof paper + plastic film + steel strip
Reinforced wooden pallet
Coil ID: 405/505 mm
Container loading:
20GP：18–22 MT
40GP：25–28 MT
Safe for long-distance ocean shipping.
PE → indoor or mild outdoor use
PVDF → high-end architecture & harsh weather
3003/3004 → building & ACP
3105 → gutters
1100 → ceiling
5052 → corrosion-resistant applications
Matte → modern architectural finish
High-gloss → signage and advertising
0.3–0.5 mm → ACP
0.5–0.7 mm → roofing
0.8–1.2 mm → façade panels
Coils for automated production may require eye-to-wall packaging.
A color-coated aluminum coil is an aluminum sheet that has undergone a surface treatment process, including cleaning, chroming, roller coating, and baking. This process applies a protective and decorative layer, enhancing the aluminum's resistance to corrosion, UV rays, and environmental factors.
The most prevalent coating types include:
Polyvinylidene Fluoride (PVDF): Offers excellent weather resistance and color retention, making it ideal for outdoor applications.
Polyester (PE): Provides good corrosion resistance and is commonly used for interior applications.
High-Density Polyethylene (HDPE): Known for its durability and resistance to environmental stress.
Fluoropolymer Coatings (FEVE): Offers superior UV resistance and color stability.
These coils are widely used in:
Building Facades and Roofing: Providing aesthetic appeal and protection against weather elements.
Interior Wall Panels: Offering a variety of finishes and colors for interior design.
Signage and Advertising Boards: Ensuring durability and visibility in various environments.
Transportation Industry: Used in vehicle panels for both functional and decorative purposes.
Selecting the appropriate coating depends on factors like environmental exposure, desired longevity, and aesthetic preferences. For instance, PVDF coatings are recommended for areas with high UV exposure due to their superior color retention.
Regular cleaning with mild detergents and water is recommended to maintain the appearance and performance of the coating. Avoid using abrasive materials or harsh chemicals that could damage the surface.
Yes, custom color matching is available. Advanced techniques allow for precise color replication to meet specific design requirements.
The coil coating process often utilizes water-based paints, reducing the emission of volatile organic compounds (VOCs). Additionally, the durability of the coatings extends the lifespan of the materials, contributing to sustainability.
Color coated coils are mainly used where a decorative and protective surface is required. The most common applications include:
Building and construction – façade panels, roofing sheets, wall cladding, soffits, ceilings, garage doors.
Composite panels – aluminum composite panels (ACP) for curtain walls and signage.
Rainwater systems – gutters, downpipes, fascia boards, trim coils.
Interior decoration – ceiling panels, partition walls, furniture fronts.
Signage and advertising – billboards, display boards, traffic signs.
Because the coating is applied in a controlled industrial process, color coated coils offer uniform color, good corrosion resistance, and long service life, which makes them ideal for architectural and industrial projects.
Coil coated aluminum is aluminum strip or coil that has been continuously painted and cured before fabrication.
Instead of painting sheets or finished parts one by one, the coil coating process applies primer and topcoat to the entire coil in a continuous line, then bakes it in an oven.
This results in:
Very uniform film thickness and color
Excellent adhesion and durability
Better cost efficiency compared with post-painting
Clean and environmentally friendly production
Coil coated aluminum is the standard material for high-quality façade panels, roofing, ACP, gutters, and ceilings.
Aluminum coils are semi-finished products that can be further processed into many different end uses, such as:
Color coated coils for buildings, ACP, ceilings
Plain mill finish coils for insulation jacketing, further coating, or anodizing
Embossed coils for insulation, anti-slip surfaces, and decorative cladding
Thanks to their light weight, corrosion resistance, and good formability, aluminum coils are widely used in construction, transportation, packaging, and HVAC industries.
The service life of aluminum coating depends on:
Type of coating (PE, PVDF, FEVE, etc.)
Coating thickness
Environment (UV exposure, humidity, pollution, marine atmosphere)
As a general guideline:
PE (polyester) coating: about 10–15 years in normal outdoor environments.
PVDF coating: about 20–30 years in most climates, with excellent color and gloss retention.
In harsh conditions (industrial or marine), PVDF is recommended for long-term performance.
The main types of coil coatings for aluminum include:
PE (Polyester) – good flexibility, rich colors, economical; suitable for interior and mild exterior use.
PVDF (Polyvinylidene Fluoride) – outstanding UV and weather resistance; ideal for high-end façades and roofing.
FEVE (Fluoroethylene Vinyl Ether) – high-gloss fluoropolymer for special architectural effects.
Epoxy / primer coatings – used as undercoat to improve adhesion and corrosion resistance.
Special functional coatings – anti-graffiti, self-cleaning, anti-scratch, etc.
Different coatings are selected based on the required durability, appearance, and cost level.
For architectural use, PVDF (polyvinylidene fluoride) coating is considered one of the strongest and most durable coatings for aluminum. It offers:
Excellent UV and color-fade resistance
Superior chalking resistance
Very good chemical and corrosion resistance
Long-term outdoor durability of 20–30 years when properly applied
For extremely demanding environments, high-quality multi-layer PVDF or FEVE systems are often specified by architects and project owners.
Yes. A properly applied coating on aluminum provides several important benefits:
Improved corrosion resistance in aggressive environments
Long-term color and gloss stability
Enhanced aesthetics with various colors and textures
Additional functionality such as self-cleaning, anti-scratch, or anti-graffiti
Industrial coil-coated aluminum is much more durable and consistent than on-site or DIY painting.
Aluminum coating can refer to:
Color coating / coil coating – applying organic paint (PE, PVDF, FEVE) on aluminum coils.
Anodizing – creating an oxide layer by electrochemical process.
Plating or metallizing – depositing another metal on the aluminum surface.
In the context of color coated aluminum coils, it usually means organic coil coating with PE or PVDF paints.
Aluminum itself does not “rust” in the same way as steel, because it does not form red iron oxide. Instead, it forms a stable aluminum oxide layer that protects the underlying metal.
When aluminum is properly coated:
The organic coating acts as an additional barrier against moisture and chemicals.
Corrosion resistance is significantly improved, especially with PVDF systems.
If the coating is seriously damaged or improperly applied, localized corrosion (pitting) may occur, especially in marine or industrial environments, but it is different from steel rusting.
The coil coating process is a continuous, automated painting line. The basic steps are:
Uncoiling & cleaning – the aluminum coil is unrolled and cleaned of oil and dirt.
Chemical pretreatment – conversion coating improves corrosion resistance and paint adhesion.
Primer coating – primer is applied by rollers and then baked.
Top coating – PE, PVDF, or other topcoat is applied and cured in an oven.
Cooling & recoiling – the coated strip is cooled down and rewound into coils.
This process ensures uniform film thickness, strong adhesion, and high production efficiency, making it ideal for building materials.
Coil:
Thicker material, usually 0.2–1.5 mm for color-coated aluminum.
Supplied in large rolls for further forming, cutting, or profiling.
Used for roofing sheets, façade panels, ACP, gutters, etc.
Foil:
Very thin material, typically below 0.2 mm, often 0.006–0.05 mm.
Used for packaging, insulation, household foil, etc.
In short, coil is thicker and structural, while foil is very thin and mainly for wrapping or insulation.
For long-term performance on aluminum, especially for exterior architectural use, the most reliable paint systems are:
PVDF (fluorocarbon) paint – excellent UV and weather resistance.
High-quality polyester (PE) paint – good adhesion and flexibility for many applications.
In industrial production, these paints are applied by coil coating, which gives much better adhesion and durability than typical brush or spray painting done on site.
To achieve a long-lasting coating on aluminum:
Clean and degrease the surface thoroughly.
Remove oxides and lightly roughen the surface if needed.
Apply a suitable primer designed for non-ferrous metals.
Use high-quality topcoats such as polyester or fluoropolymer paints.
Cure the coating properly at the recommended temperature.
In industrial production, this is exactly what the coil coating process does in a controlled way, which is why pre-painted aluminum coils have such good durability.
Yes, an aluminum trim coil can be repainted, but in most cases it is already factory pre-painted with durable coatings. If repainting is necessary:
The existing surface should be cleaned, lightly sanded, and primed.
A compatible topcoat should be used to avoid peeling or poor adhesion.
However, for new projects, it is usually more reliable and cost-effective to use color coated aluminum coils produced by coil coating, instead of repainting on site.
With advanced coating technology, strict quality control, and rich color options, our color coated aluminum coils deliver excellent durability and design flexibility for architectural and industrial projects worldwide.
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