PVDF Coated Aluminum Sheet Supplier
A reliable PVDF coated aluminum sheet supplier helps builders, fabricators, curtain wall contractors, sign makers, and transportation manufacturers obtain stable color, strong weather resistance, and predictable forming performance. Haomei Aluminum CO., LTD., Inc. supplies PVDF coated aluminum sheets made from selected aluminum alloys, precision pretreatment, fluorocarbon coating, and controlled curing, giving customers a surface material suited for demanding outdoor and industrial environments.
PVDF coating is based on polyvinylidene fluoride resin, commonly used in high-performance architectural finishes. Its dense molecular structure gives the aluminum sheet excellent resistance to ultraviolet radiation, rain, salt mist, chemical pollution, and temperature change. Compared with ordinary polyester coating, PVDF coating is usually selected when long service life, color retention, and low maintenance are important.
What PVDF Coated Aluminum Sheet Does
PVDF coated aluminum sheet combines the lightweight strength of aluminum with a weather-resistant decorative finish. The aluminum substrate offers easy cutting, bending, punching, rolling, and installation, while the coating protects the surface from corrosion and fading.
| Function | Customer Benefit | Typical Result |
|---|---|---|
| Weather protection | Resists UV, rain, heat, and freeze-thaw cycles | Longer outdoor service life |
| Color decoration | Supports solid, metallic, matte, gloss, and custom colors | Stable building appearance |
| Corrosion resistance | Protects aluminum in humid, coastal, and polluted areas | Reduced maintenance cost |
| Formability | Suitable for bending, shearing, punching, and panel fabrication | Fast workshop processing |
| Lightweight design | Lower density than steel and many composite materials | Easier transport and installation |
| Surface cleanliness | Smooth coating resists dirt adhesion | Easier washing and upkeep |
For customers comparing finishes, PVDF Coated Aluminum Sheet is often chosen for facades, roofing, ceilings, and exterior panels where color stability matters across many years.
Main Applications
PVDF coated aluminum sheet is widely used where metal surfaces must stay attractive under outdoor exposure. It can be supplied as flat sheet, slit strip, or coil for later fabrication.
| Application Area | Common Products | Recommended Features |
|---|---|---|
| Building facade | Curtain wall panels, cladding, column covers | 2-coat or 3-coat PVDF, high color retention |
| Roofing and walling | Standing seam roofing, exterior wall panels | Good flexibility, corrosion resistance |
| Aluminum composite panel | ACP face sheet, fire-rated panel skin | Stable thickness, strong adhesion |
| Interior ceiling | Decorative ceiling panels, baffles | Smooth finish, color consistency |
| Signage | Advertising boards, channel letters, traffic signs | High gloss or matte finish, easy processing |
| Transportation | Bus panels, truck body panels, rail interiors | Lightweight, abrasion resistance |
| Industrial enclosure | Equipment housing, clean room panel | Chemical resistance and flatness |
Technical Specifications
Production can be adjusted according to project drawings, fabrication method, coating color, and application environment. Typical supply ranges are shown in the table.
| Item | Typical Range or Option |
|---|---|
| Product type | PVDF coated aluminum sheet, coil, strip |
| Alloy | 1100, 3003, 3004, 3105, 5005, 5052 |
| Temper | O, H14, H16, H18, H24, H26, H32, H34 |
| Thickness | 0.20 mm-6.00 mm |
| Width | 600 mm-1800 mm, customized available |
| Length | 1000 mm-6000 mm or cut to size |
| Coating system | 2-coat 1-bake, 2-coat 2-bake, 3-coat 2-bake |
| Top coating thickness | 18-35 microns, project dependent |
| Back coating thickness | 5-15 microns, service dependent |
| Gloss | 10-80 GU, matte to high gloss |
| Color | RAL, Pantone, wood grain effect, metallic finish, custom sample |
| Protective film | Optional PE film, printed film, laser film |
| Packing | Seaworthy wooden pallet, eye-to-wall or flat sheet packing |
Common Alloy and Temper Selection
The choice of alloy and temper affects strength, bending radius, dent resistance, and panel flatness. Haomei Aluminum CO., LTD., Inc. can help match alloy temper to fabrication needs.
| Alloy | Temper Options | Main Character | Typical Use |
|---|---|---|---|
| 1100 | O, H14, H16 | High purity, excellent formability | Interior panels, signage, decoration |
| 3003 | H14, H16, H24 | Balanced strength and workability | Roofing, cladding, general panels |
| 3004 | H24, H26 | Higher strength than 3003 | Roofing sheets, wall systems |
| 3105 | H14, H16, H24 | Good coating performance and corrosion resistance | Building panels, gutters, shutters |
| 5005 | H14, H24, H34 | Good anodic and coating response, smooth surface | Curtain wall, premium cladding |
| 5052 | H32, H34 | Higher strength and marine corrosion resistance | Transport panels, coastal projects |
Chemical Composition Reference
Chemical composition follows international aluminum alloy requirements. Actual mill certificates are supplied according to production batch.
| Alloy | Si | Fe | Cu | Mn | Mg | Zn | Al |
|---|---|---|---|---|---|---|---|
| 1100 | Si+Fe <= 0.95 | Si+Fe <= 0.95 | 0.05-0.20 | <= 0.05 | - | <= 0.10 | >= 99.00 |
| 3003 | <= 0.60 | <= 0.70 | 0.05-0.20 | 1.00-1.50 | - | <= 0.10 | Balance |
| 3004 | <= 0.30 | <= 0.70 | <= 0.25 | 1.00-1.50 | 0.80-1.30 | <= 0.25 | Balance |
| 3105 | <= 0.60 | <= 0.70 | <= 0.30 | 0.30-0.80 | 0.20-0.80 | <= 0.40 | Balance |
| 5005 | <= 0.30 | <= 0.70 | <= 0.20 | <= 0.20 | 0.50-1.10 | <= 0.25 | Balance |
| 5052 | <= 0.25 | <= 0.40 | <= 0.10 | <= 0.10 | 2.20-2.80 | <= 0.10 | Balance |
Coating Performance Data
PVDF coating quality depends on substrate cleaning, chromate-free or chromate pretreatment, primer adhesion, topcoat resin content, curing temperature, and inspection control.
| Test Item | Typical Requirement | Test Method or Reference |
|---|---|---|
| PVDF resin content | >= 70 percent in resin system | Supplier formulation control |
| Coating thickness | Top 18-35 microns | ISO 2360, ASTM D7091 |
| Pencil hardness | >= HB | ASTM D3363 |
| T-bend | <= 2T, depending on alloy and temper | ASTM D4145 |
| Adhesion | Grade 0 or 5B | ISO 2409, ASTM D3359 |
| Impact resistance | No cracking or peeling after test | ASTM D2794 |
| Solvent resistance | >= 100 MEK double rubs | ASTM D5402 |
| Salt spray | 1000-3000 hours by specification | ASTM B117 |
| Artificial weathering | Color and gloss retention by project grade | ASTM G154, ASTM G155 |
| Color difference | Usually Delta E <= 1.5 for same batch | ASTM D2244 |
Implementation Standards
Different markets use different standards for aluminum sheet, coating quality, dimensions, and facade performance. The following references are commonly requested.
| Category | Standard | Scope |
|---|---|---|
| Aluminum sheet and strip | ASTM B209 | Aluminum and aluminum-alloy sheet and plate |
| Aluminum material | EN 485 | Sheet, strip, and plate dimensions and properties |
| Aluminum alloy designation | EN 573 | Chemical composition and product form |
| Coating performance | AAMA 2605 | High-performance exterior architectural coating |
| Paint adhesion | ASTM D3359, ISO 2409 | Cross-cut or tape adhesion test |
| Coating thickness | ASTM D7091, ISO 2360 | Non-destructive coating measurement |
| Salt spray | ASTM B117 | Corrosion exposure evaluation |
| Color measurement | ASTM D2244 | Instrumental color difference control |
| Weathering | ASTM G154, ASTM G155 | UV and xenon arc exposure testing |
Surface, Color, and Finish Options
PVDF coated aluminum sheet can be produced in solid color, metallic color, mica finish, brushed effect, stone effect, and wood grain pattern. For exterior curtain wall panels, metallic silver, champagne, graphite gray, black, white, and bronze are frequent choices. Matte PVDF finishes help reduce glare, while high-gloss finishes create a bright commercial appearance.
Color consistency is controlled through sample approval, trial coating, spectrophotometer checking, and batch separation. For large facade projects, ordering the full project quantity in one batch helps reduce visual variation.
Purchasing Points for Customers
When choosing a PVDF coated aluminum sheet supplier, buyers should check not only price but also alloy source, coating line stability, inspection records, color matching ability, packaging, and after-sales technical support. Important information to confirm includes sheet thickness tolerance, coating thickness, gloss, color code, bending requirement, film direction, order quantity, application environment, and destination packing method.
| Buyer Requirement | What to Confirm Before Order |
|---|---|
| Outdoor facade | AAMA 2605 grade coating, UV resistance, color warranty |
| Deep bending | Alloy temper, T-bend value, protective film adhesion |
| Coastal use | 5005 or 5052 option, salt spray requirement, back coating |
| ACP production | Coil flatness, width tolerance, continuous color stability |
| Custom color | Physical sample approval, Delta E tolerance, gloss range |
| Export shipment | Pallet strength, moisture protection, container loading plan |
Why Work With Haomei Aluminum CO., LTD., Inc.
Haomei Aluminum CO., LTD., Inc. focuses on supplying PVDF coated aluminum sheet with controlled substrate selection, stable coating thickness, accurate color matching, and export-ready packing. Customers can request mill test certificates, coating inspection data, color samples, protective film options, and cut-to-size service. With suitable alloy temper selection and professional coating control, PVDF coated aluminum sheet becomes a dependable material for long-life facades, roofing systems, signage, and industrial panels.
