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Worthwill manufactures color coated aluminum coil, sheet and slit strip, also known as prepainted aluminum, with PE, HDP and PVDF coating systems for roofing, cladding, ceilings, composite panels, gutters, signage, appliances and industrial fabrication.
Available alloys include 1050, 1060, 1100, 3003, 3004, 3005, 3105, 5005 and 5052. Standard production covers 0.20–5.00 mm thickness and widths from 30 mm up to 1800 mm, subject to alloy, temper, coating system and final specification.
We supply full-width coil, cut-to-length sheet and slit strip in RAL colors, metallic colors or colors matched to an approved physical sample. One-side decorative coating with back coat and two-side color coating are available according to the application.
Send us your application, alloy, temper, thickness, width, coating type, color, gloss, coil or sheet requirement and quantity. Our team can review the specification and provide a practical material recommendation, sample plan and quotation.
Henan Worthwill Industry Co., Ltd. manufactures color coated aluminum coil and sheet for architectural, industrial and OEM production. Also known as prepainted aluminum, painted aluminum or colour coated aluminium, the material combines an aluminum substrate with a controlled organic coating system applied on a continuous coil coating line.
Worthwill supplies PE, HDP and PVDF coated aluminum in coil, cut-to-length sheet and slit-strip form. Common alloys include 1050, 1060, 1100, 3003, 3004, 3005, 3105, 5005 and 5052. Standard production covers 0.20–5.00 mm thickness and widths from 30 mm up to 1800 mm, subject to alloy, temper, coating system and final technical confirmation.
| Item | Available Specification |
|---|---|
| Product Forms | Color coated aluminum coil, sheet, slit coil and strip |
| Common Alloys | 1050, 1060, 1100, 3003, 3004, 3005, 3105, 5005, 5052 |
| Thickness | 0.20–5.00 mm |
| Width | 30–1800 mm |
| Coating Systems | PE polyester, HDP high-durability polyester, PVDF fluorocarbon and project-specific systems |
| Colors | RAL colors, metallic colors and matching to an approved physical sample |
| Coating Sides | One-side decorative coating with protective back coat or two-side color coating |
| Processing | Slitting, cut-to-length and selected surface processing |
| Surface Protection | Removable protective film, paper interleaving or other agreed protection |
| Sample & Inspection | Samples and third-party inspection can be arranged by agreement |
These values describe the general Worthwill supply range rather than a universal specification for every order. Very wide, thick, narrow or special-temper products may have different production limits, and the final specification should be confirmed before production.
Color coated aluminum is aluminum coil or sheet finished with one or more liquid coating layers before fabrication into the final component. A typical system includes aluminum substrate preparation, chemical pretreatment, primer, decorative topcoat and a protective back coat. Depending on the application, both sides can also receive decorative coatings.
Compared with painting individual fabricated parts, continuous coil coating provides more consistent film thickness, color and gloss across large production batches. The finished prepainted aluminum coil can then be roll formed, corrugated, bent, stamped, slit, cut, laminated or assembled into roofing, cladding, ceilings, panels, gutters and industrial components.
Topcoat: Provides the specified color, gloss, weather resistance and surface appearance.
Primer: Supports coating adhesion and corrosion protection according to the selected paint system.
Pretreatment: Prepares the aluminum surface for stable coating adhesion and corrosion performance.
Aluminum substrate: Selected according to alloy, temper, thickness, strength and forming requirement.
Reverse side: Normally receives pretreatment and a protective back coat, or a second decorative coating when required.
The complete coating structure should be selected according to forming requirements, outdoor exposure, humidity, UV level, salt or industrial pollution, appearance requirements and expected service conditions rather than by coating name alone.
Color coated aluminum coil is suitable for continuous processing, roll forming, corrugating, profiling, lamination and other high-volume manufacturing. Coil inside diameter, outside diameter, coil weight and width should be matched to the buyer's decoiling, forming and handling equipment before production.
Cut-to-length prepainted aluminum sheets are supplied for CNC cutting, bending, stamping, facade and panel production, signage, equipment housings and general fabrication. Sheet length, pallet configuration and surface protection can be confirmed according to the downstream process.
Slit color coated aluminum coil and strip are used for gutters, shutters, trims, ceiling systems, lighting components, channel parts and other narrow-width products. Required slit width, tolerance, edge condition, coil diameter and coil weight should be included in the RFQ.
PE, HDP and PVDF do not represent a simple low-, medium- and high-quality ranking. Each coating system serves a different combination of environment, appearance requirement, expected weatherability and project budget.
| Coating | Best For | Exterior Weatherability | Cost Level |
|---|---|---|---|
| PE Polyester | Interior ceilings, signage, appliance parts, decorative panels and moderate-exposure applications | Moderate | Economical |
| HDP High-Durability Polyester | Roofing, exterior wall systems, industrial buildings, gutters and general outdoor components | Good | Medium |
| PVDF Fluorocarbon | Facades, curtain walls, premium roofing, coastal projects and high-UV environments | Excellent when correctly specified | Premium |
PE polyester is commonly selected when cost efficiency, color availability and forming performance are the priorities. It is particularly practical for indoor decoration, ceilings, signage, appliance components and many general fabrication applications. See our PE Coated Aluminum Coil & Sheet page for detailed product information.
HDP high-durability polyester provides better UV resistance and long-term color stability than conventional polyester. It is often a practical middle option for roofing, exterior wall systems, industrial buildings, gutters and other outdoor building components where standard PE may not provide sufficient weatherability.
PVDF fluorocarbon is generally selected for demanding exterior architecture where UV resistance, color retention and weather performance are important. Common applications include facade panels, curtain walls, premium roofing, coastal projects and buildings exposed to strong sunlight or industrial pollution. See our PVDF Coated Aluminum Coil & Sheet page for more detailed specifications.
For a deeper technical comparison, read PE vs HDP vs PVDF Coated Aluminum: Which Coating Should You Specify?. The final choice should consider climate, UV exposure, humidity, salt, pollution, coating structure, pigment, forming method and required appearance retention rather than resin name or initial price alone.
1050 / 1060 / 1100: Commercially pure aluminum grades with high formability and good corrosion resistance. They are commonly selected for ceilings, signs, trims, lighting parts, decorative panels and other applications where easy forming is more important than high strength. Learn more about 1060 aluminum sheet and coil and 1100 aluminum sheet and coil.
3003: Provides a practical balance of strength, formability and corrosion resistance. It is widely used for coated roofing, wall panels, ceilings, insulation systems and other architectural sheet-metal products. See our 3003 aluminum sheet and coil page.
3004 / 3005 / 3105: Offer higher strength than common 1xxx-series grades while maintaining useful roll-forming performance. They are commonly considered for roofing profiles, gutters, shutters, downpipes, siding and other building components. Learn more about 3105 aluminum sheet and coil.
5005: Combines moderate strength with good decorative surface characteristics and is commonly selected for architectural panels, facade components, signs and decorative fabrication.
5052: Provides higher strength and corrosion resistance for transportation panels, equipment housings, marine-related components and other applications requiring stronger material. See our 5052 aluminum sheet and coil page.
The alloy should be selected from the required strength, temper, forming method, bend radius, panel design and service environment. Buyers should not select the base aluminum only by price or assume that every alloy is interchangeable.
Worthwill supplies color coated aluminum coil and sheet in common RAL colors including white, black, gray, blue, red, green, cream and brown, together with metallic silver, champagne, bronze and other decorative effects. Custom matching can also be developed according to an approved physical coated-metal sample or other agreed color reference.
Available surface appearances can include smooth solid colors, matte, low-gloss, satin, high-gloss, metallic, embossed, brushed-effect, wood grain and stone grain finishes. Actual availability depends on coating system, color, substrate, dimensions, order quantity and production capability.
For critical color projects, a physical coated sample should be approved before bulk production. Digital screens, printed RAL charts and online color references are useful for initial selection but cannot accurately reproduce the final color, gloss or metallic effect.
For repeat projects, retain the approved physical sample as the reference and confirm the complete expected quantity whenever possible. Different production batches can otherwise show small color or gloss variations even when the same nominal color is used.
Color coated aluminum coil is processed into corrugated roofing sheets, standing-seam panels, wall profiles, gutters, downpipes, flashing and shutters. Alloys such as 3003, 3004, 3005 and 3105 are commonly considered because they combine useful strength with roll-forming performance. PE may be sufficient for mild exposure, HDP is often selected where improved exterior weatherability is required, and PVDF should be considered for demanding high-UV, coastal or premium architectural projects.
PVDF and qualified HDP coated aluminum are commonly used for facade components, curtain-wall panels, aluminum composite panels, aluminum honeycomb panels and insulation sandwich panels. For these applications, color consistency, flatness, coating adhesion, forming performance and long-term appearance normally carry more weight than the lowest initial material price.
For suspended ceilings, baffles, partitions, decorative trims, cabinet surfaces and other interior systems, PE coated aluminum is often a practical starting point because it offers broad color selection, good formability and economical cost. The final alloy and temper should still match the panel geometry and fabrication process.
Prepainted aluminum can be formed into refrigerator and air-conditioning components, equipment housings, ventilation parts, lighting components and decorative covers. Coating flexibility, substrate temper and back-side treatment should be matched to stamping, bending, heat and moisture conditions.
Color coated aluminum sheet is also used for signs, display panels, transportation components, equipment covers, cold-room panels and general industrial enclosures. Where the finished face must remain free from scratches during cutting, bending or assembly, a removable protective film may be specified.
Protective film should be selected according to coating finish, downstream processing and removal conditions rather than added automatically. For detailed purchasing guidance, see Color Coated Aluminum Coil with Protective Film: What Buyers Should Specify.
Henan Worthwill Industry Co., Ltd. is the international department of Henan Jurun New Material Co., Ltd. and Henan Jinyu Color Aluminum Co., Ltd. The production base is located in Huiguo Town, Gongyi, Zhengzhou, China.
Five coating production lines: Support color coated aluminum production for different specifications, coating systems and project requirements.
Wide production range: Standard production covers 0.20–5.00 mm thickness and widths up to 1800 mm, subject to alloy, temper and coating requirements.
Established coating suppliers: PE and PVDF paint options from suppliers including PPG and AkzoNobel can be discussed according to the approved project specification.
Processing support: Slitting, cut-to-length and selected surface-processing capability supports full coil, narrow strip and sheet orders.
Color matching: RAL references and approved physical samples can be used for OEM and project-specific color development.
Inspection support: Samples and third-party inspection can be arranged by agreement when required before bulk production or shipment.
Our role is not simply to quote the lowest material price. A workable specification should allow the aluminum to run correctly on the buyer's equipment while meeting the required appearance, forming performance and service environment of the finished product.
Step 1 — Raw material confirmation: Confirm aluminum alloy, temper, thickness, width and substrate surface condition.
Step 2 — Cleaning and degreasing: Remove rolling oil, dust and contaminants that can interfere with coating adhesion.
Step 3 — Surface pretreatment: Apply the specified pretreatment system to prepare the aluminum surface for coating.
Step 4 — Primer application: Apply primer where required by the approved coating system.
Step 5 — Topcoat application: Roller coat the specified PE, HDP, PVDF or other agreed paint system.
Step 6 — Oven curing: Cure the coating under controlled production-line conditions.
Step 7 — Inspection and testing: Check surface appearance, color, gloss, coating film, adhesion and dimensions against the approved requirements.
Step 8 — Slitting, cutting and packing: Process the coated material into the required coil, strip or sheet format and apply the agreed surface protection and export packing.
Depending on the purchase specification, inspection can include aluminum alloy, temper and dimensions; surface cleanliness and appearance; coating film thickness; color difference against the approved sample; gloss; cross-cut adhesion; T-bend or forming performance; pencil hardness; impact resistance; solvent resistance such as an MEK rub test when specified; coil edges; sheet flatness; protective film; packing; labels; and traceability information.
Test methods and acceptance values should be agreed before production. A test name alone does not define acceptance. For engineered or project orders, the purchase specification should identify the relevant test method, test condition and pass requirement whenever these are critical.
Product form: Coil, sheet, slit coil or strip.
Base aluminum: Alloy and temper.
Dimensions: Thickness, width and sheet length where applicable.
Coating: PE, HDP, PVDF or another specified system.
Color: RAL code or approved physical color sample.
Appearance: Gloss level, texture and surface finish.
Coating sides: Decorative front coat with back coat or two-side decorative coating.
Technical requirement: Coating structure, coating thickness, test standard or project specification where required.
Application: Final product, fabrication method and installation environment.
Surface protection: Protective film or paper interleaving if required.
Coil requirements: Inside diameter, maximum coil weight and other handling limitations.
Commercial information: Quantity, destination port and required delivery schedule.
When the final application and operating environment are known, Worthwill can review whether the requested alloy, temper and coating system are a practical combination before production.
Color coated aluminum coils are normally protected with moisture-resistant wrapping, edge protection and steel or plastic strapping, then secured on suitable wooden or metal supports. Cut-to-length sheets can be packed with protective film, interleaving paper, waterproof wrapping, corner protection and reinforced export pallets.
Packing should be selected according to coil weight, sheet size, destination, container loading method and available handling equipment. Shipping marks, labels, packing photographs and inspection records can be supplied according to the confirmed purchase requirements.
In most purchasing contexts, yes. Color coated aluminum and prepainted aluminum both describe aluminum coil or sheet that receives a factory-applied organic paint system before fabrication. The exact coating structure, resin, primer, back coat and performance requirements still need to be specified separately.
PE is generally the most economical option and is widely used for interior and moderate-exposure applications. HDP improves weatherability and color retention compared with standard polyester and is often used for roofing and exterior building products. PVDF is normally selected for demanding exterior architecture, strong UV exposure, coastal environments and projects where long-term appearance is important.
3003, 3004, 3005 and 3105 are common starting points because they combine corrosion resistance, useful strength and roll-forming performance. The final alloy and temper should match the roofing profile, forming equipment, span and project requirements.
Yes. Standard RAL references can be used for initial selection, and custom colors can also be developed from an approved physical sample. For color-critical and repeat projects, a physical coated-metal sample should be approved and retained as the production reference.
Yes. The material can be supplied with a decorative front coating and protective back coat or with decorative coating on both sides. The two sides can use the same or different coating requirements according to the final application.
A suitable coil-coated system can be designed for forming, but performance depends on alloy, temper, coating flexibility, film thickness, bend radius, tooling and fabrication conditions. Buyers should provide the intended forming process so the material specification can be reviewed before production.
Yes. Worthwill supplies full-width coil, slit coil, strip and cut-to-length color coated aluminum sheet. Sheet dimensions, surface protection, pallet configuration and quantity per package can be discussed according to the order.
Samples can be arranged for qualified projects. For custom colors, the sampling process depends on whether an existing coating color is available or whether a new color must be developed and approved.
Production should be checked against the approved reference sample. For projects delivered in several batches, buyers should confirm the color standard, gloss and acceptable tolerance before the first order and retain the approved sample for later comparison.
No. Color coated or prepainted aluminum normally receives a liquid coating on a continuous coil coating line before fabrication. Powder coating is commonly applied to fabricated parts as dry powder and then cured, while anodizing creates a controlled oxide layer through an electrochemical process.
The main factors include aluminum alloy and temper, thickness, width, coating resin, coating structure and film thickness, pigment, gloss, custom color requirement, quantity, coil weight, processing, protective film, packing and current aluminum and coating-material costs. Quotations should therefore be compared using the same complete specification rather than only a price per ton.
Send Worthwill your application, alloy, temper, dimensions, coating system, color, gloss, quantity and destination. For outdoor projects, also provide the project location and expected service environment where possible. We can review the specification and provide a practical material recommendation, sample plan and quotation.
| Item | Available Specification |
| Product Name | Color Coated Aluminum Coil, Sheet, Slit Coil and Strip |
| Alternative Names | Prepainted Aluminum Coil, Prepainted Aluminum Sheet, Painted Aluminum, Colour Coated Aluminium |
| Alloy | 1050, 1060, 1100, 3003, 3004, 3005, 3105, 5005, 5052; other grades by agreement |
| Temper | O, H12, H14, H16, H18, H22, H24, H26, H28, H32, H34, H36, H38, H42, H44, H46, H48, depending on alloy and specification |
| Thickness | 0.20–5.00 mm |
| Width | 30–1800 mm |
| Sheet Length | Custom cut-to-length according to confirmed specification |
| Coating Type | PE polyester, HDP high-durability polyester, PVDF fluorocarbon and project-specific protective coating systems |
| Coating Structure / Thickness | According to the approved project specification; requirements vary with PE, HDP, PVDF, primer, topcoat and back-coat system |
| Coating Side | One-side decorative coating with protective back coat or two-side color coating |
| Color | RAL colors, metallic colors or matching to an approved physical sample |
| Gloss | Matte, low gloss, satin, medium gloss, high gloss or project-specific requirement |
| Surface Finish | Smooth, embossed, brushed-effect, wood grain, stone grain or other confirmed finish |
| Surface Protection | Removable protective film, paper interleaving or other agreed protection |
| Coil ID / Coil Weight | Confirmed according to the buyer's processing equipment, handling requirements and production specification |
| Processing | Slitting, cut-to-length and selected surface processing |
| Base Aluminum Standards | ASTM, EN or GB/T requirements when specified and agreed in the purchase order |
| Inspection | Appearance, dimensions, coating film, color, gloss, adhesion and other agreed tests according to the approved specification |
| Sample / Third-Party Inspection | Available by agreement according to project and order requirements |
| Packing | Moisture-resistant export packing with edge protection, strapping and suitable pallet or support |
All specifications are subject to final technical confirmation. Production capability may vary with alloy, temper, thickness, width, coating system, surface finish and order quantity.
Send us your product, alloy, size, quantity and application requirements for a detailed quotation.
