4mm 0.40mm PVDF Coated Aluminum Strip
The 4mm 0.40mm PVDF Coated Aluminum Strip is a narrow, precision-slit aluminum material designed for decorative edging, architectural trim, insulated panel accessories, signage details, and exterior fabrication. Combining a 0.40mm aluminum substrate with a high-performance PVDF fluorocarbon finish, this strip delivers a clean visual surface while resisting sunlight, moisture, airborne pollutants, and daily handling.
Its compact 4mm width makes it particularly suitable for applications where standard wide coils are impractical. The strip can be formed, bent, pressed, laminated, or integrated into detailed profiles without adding unnecessary weight. PVDF coating provides long-lasting color stability and a protective barrier that helps aluminum retain its appearance in demanding outdoor environments.
Product Characteristics
PVDF, or polyvinylidene fluoride, is widely used for premium exterior coatings because of its strong resistance to ultraviolet radiation, weathering, chalking, and fading. Applied through a continuous coil-coating process, the coating forms a uniform decorative and protective layer across the aluminum strip.
| Characteristic | Product Value |
|---|---|
| Narrow-strip format | 4mm width supports detailed edging and compact profiles |
| Lightweight construction | Aluminum reduces component weight and simplifies handling |
| Weather-resistant finish | PVDF coating withstands UV exposure, rain, humidity, and industrial atmospheres |
| Color retention | Fluorocarbon resin helps preserve gloss and color over extended outdoor use |
| Formability | Suitable for controlled bending, roll forming, pressing, and profiling |
| Surface quality | Smooth, consistent coated face available in solid colors and customized finishes |
| Corrosion resistance | Aluminum substrate and coating system provide layered protection |
| Processing flexibility | Supplied in coil form for continuous production and efficient fabrication |
For projects requiring a broader range of coated metal solutions, our Coated Aluminum Strip options can be selected according to thickness, alloy, color, and coating requirements.
Technical Specifications
Actual parameters can be adjusted according to application requirements, including alloy grade, temper, coating color, coil weight, and packaging method. The values shown are common production references for 4mm x 0.40mm PVDF coated strip.
| Parameter | Typical Specification |
|---|---|
| Product name | 4mm 0.40mm PVDF Coated Aluminum Strip |
| Strip width | 4mm |
| Width tolerance | Typically ±0.10mm, subject to agreement |
| Aluminum thickness | 0.40mm |
| Thickness tolerance | Typically ±0.03mm, subject to agreement |
| Base alloy | AA 1050, AA 1060, AA 1100, AA 3003, or equivalent |
| Temper | H14, H16, H18, H24, or customized |
| Coating type | PVDF fluorocarbon coating |
| Coating structure | Primer plus PVDF top coat; back coat optional |
| Top coating thickness | Commonly 20-30 μm |
| Back coating thickness | Commonly 5-10 μm |
| Surface finish | Gloss, matte, textured, metallic, or customized |
| Standard colors | White, black, gray, red, blue, green, gold, and custom colors |
| Coil inner diameter | 150mm, 300mm, 405mm, or customized |
| Supply form | Tight coil, traverse-wound coil, or customer-specified package |
Typical Chemical Composition of Aluminum Substrate
The chemical composition depends on the selected alloy. AA 3003 is often chosen where improved strength is needed, while AA 1050 and AA 1060 are suitable for applications prioritizing forming performance and corrosion resistance.
| Element | AA 1050 Typical Limit, % | AA 3003 Typical Limit, % |
|---|---|---|
| Aluminum, Al | Balance | Balance |
| Silicon, Si | ≤ 0.25 | ≤ 0.60 |
| Iron, Fe | ≤ 0.40 | ≤ 0.70 |
| Copper, Cu | ≤ 0.05 | 0.05-0.20 |
| Manganese, Mn | ≤ 0.05 | 1.0-1.5 |
| Magnesium, Mg | ≤ 0.05 | ≤ 0.10 |
| Zinc, Zn | ≤ 0.05 | ≤ 0.10 |
| Other elements | ≤ 0.03 each | ≤ 0.05 each |
Mechanical and Coating Performance
The narrow width of this product does not reduce the importance of mechanical consistency. Stable tensile behavior and controlled temper help prevent distortion during slitting, winding, bending, or assembly. The PVDF surface is engineered to remain intact under normal fabrication conditions when suitable tooling and bending radii are used.
| Performance Item | Typical Value or Requirement |
|---|---|
| Tensile strength, AA 1050 H14 | Approximately 95-125 MPa |
| Tensile strength, AA 3003 H14 | Approximately 130-165 MPa |
| Elongation | Typically 2-10%, depending on alloy and temper |
| Coating adhesion | No peeling after specified bend or cross-hatch testing |
| Pencil hardness | Commonly HB to 2H, depending on paint system |
| Impact resistance | Coating remains adherent after agreed impact test conditions |
| Solvent resistance | No significant coating change after standard MEK rub testing |
| UV resistance | Designed for long-term exterior color and gloss retention |
| Salt spray resistance | Performance depends on coating system, pretreatment, and test duration |
| Service temperature | Commonly suitable for approximately -40°C to +80°C in normal use |
Practical Applications
This narrow PVDF-coated strip serves as both a functional material and a visual finishing component. Its small width allows manufacturers to add color-matched details where wider sheets or coils would create waste and require additional cutting.
| Application Area | Typical Use |
|---|---|
| Architectural decoration | Edge trims, reveal details, decorative profiles, façade accessories |
| Insulated panels | Panel borders, narrow cover strips, joint finishing elements |
| Ceiling systems | Grid accents, decorative edge components, narrow suspension details |
| Signage and displays | Color trims, letter edges, sign-frame details, display borders |
| Doors and windows | Frame accents, protective edging, decorative inserts |
| Electrical products | Decorative strips for appliance panels, housings, and enclosures |
| Furniture and interiors | Cabinet edging, partition trims, wall-system accents |
| Transportation interiors | Lightweight decorative components and protected profile surfaces |
For color-focused architectural projects, Color Coated Aluminum Strip can provide matching shades and surface finishes across different strip widths.
Benefits for Fabricators and Project Buyers
A 4mm x 0.40mm format helps reduce material waste in small-profile production. Instead of cutting narrow sections from large sheets, users receive a ready-to-process strip that supports faster feeding, cleaner handling, and more efficient coil-based manufacturing.
The PVDF finish adds value beyond appearance. It reduces the need for secondary painting, supports consistent color between production batches, and protects the aluminum from environmental exposure. This is especially beneficial for exterior trims, visible panel details, and installations exposed to direct sunlight.
| Buyer Benefit | Practical Result |
|---|---|
| Ready-to-use coated surface | Less secondary finishing and reduced production time |
| Precision narrow width | Lower trimming loss and improved profile accuracy |
| Durable PVDF protection | Longer-lasting exterior appearance and reduced maintenance needs |
| Low material weight | Easier transportation, installation, and handling |
| Color customization | Better coordination with building façades, signs, and product designs |
| Coil supply | Supports continuous fabrication and repeatable output |
Handling and Fabrication Guidance
Store coils in a dry, ventilated area away from corrosive chemicals and direct water exposure. During processing, use clean rollers, smooth tooling, and adequate tension control to avoid scratches, pressure marks, or edge deformation. Protective film can be specified for sensitive decorative surfaces, especially when the strip will pass through multiple forming or assembly stages.
For severe coastal, high-pollution, or chemically aggressive environments, the coating system, pretreatment, alloy selection, and installation design should be confirmed for the specific project. With suitable material selection and responsible fabrication, 4mm 0.40mm PVDF coated aluminum strip provides a refined, durable solution for narrow decorative and protective metal components.
