Waterproof Color Coated Aluminum Sheet - Mill Direct
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Waterproof Color Coated Aluminum Sheet
| Property | Parameter | Description |
|---|---|---|
| Product Name | Waterproof Color Coated Aluminum Sheet | Pre-painted aluminum sheet with waterproof coating for exterior and interior applications |
| Material Grade | 1100, 3003, 3105, 5052, 5083 (AA Grade) | Equivalent to EN AW-1100, EN AW-3003, EN AW-5052; corrosion-resistant alloy series |
| Standard Compliance | ASTM B209, EN 485-2, GB/T 3880 | Meets international standards for aluminum alloy sheet and strip |
| Chemical Composition | Al ≥99.0% (1100); Mn 1.0–1.5% (3003); Mg 2.2–2.8%, Cr 0.15–0.35% (5052) | Alloy elements ensure strength, formability, and corrosion resistance |
| Tensile Strength | 110–290 MPa (varies by alloy and temper) | Per ASTM B209; 1100-H14: ≥110 MPa; 5052-H32: ≥230 MPa |
| Yield Strength | 85–215 MPa | 1100-H14: ≥95 MPa; 5052-H32: ≥160 MPa; suitable for structural forming |
| Elongation | 4–12% | Measured on 50 mm gauge length per ASTM B209; varies by alloy and temper |
| Coating Type | PVDF, PE (Polyester), SMP, HDP | PVDF offers superior UV resistance and weatherability; PE suitable for interior use |
| Coating Thickness | Top coat: 18–25 μm; Primer: 5–7 μm; Back coat: 8–12 μm | Measured per ASTM D7091; ensures waterproof and anti-corrosion performance |
| Thickness Range | 0.2–4.0 mm | Custom thickness available; common sizes: 0.5 mm, 0.8 mm, 1.0 mm, 1.5 mm, 2.0 mm |
| Width Range | 600–2,200 mm | Standard widths: 1,000 mm, 1,220 mm, 1,500 mm; custom slitting available |
| Length Range | 1,000–6,000 mm (sheets); coil form available | Standard sheet lengths or coil supply; coil weight up to 5 MT |
| Surface Finish | Smooth, Embossed, Brushed, Stucco | Waterproof gloss or matte finish; RAL/Pantone custom color matching available |
| Application | Roofing, cladding, ACP panels, signage, transportation, decoration | Widely used in construction facades, industrial roofing, and marine environments |
| Certification | ISO 9001:2015, SGS, CE, RoHS | Quality management and environmental compliance certified |
| Packaging | Wooden pallet with waterproof film wrapping; edge protectors applied | Export-standard packaging; suitable for sea, air, and land freight |
| MOQ | 1 MT per color/specification | Mixed specifications accepted; sample orders available upon request |
Waterproof Color Coated Aluminum Sheet - Mill Direct
Waterproof color coated aluminum sheet serves as one of the most versatile and performance-driven materials in modern construction, industrial packaging, and architectural cladding applications. Engineered with a multi-layer protective coating system applied directly over aluminum substrate, this product delivers outstanding moisture resistance, UV stability, and long-term aesthetic appeal. Unlike conventional painted metals, the specialized waterproof coating forms a seamless barrier that prevents water infiltration even under prolonged exposure to rain, humidity, and extreme weather cycles. Industries ranging from roofing and curtain wall fabrication to transportation panels and household appliance manufacturing rely on this material for its combination of lightweight properties — typically 2.70 g/cm³ density — and exceptional durability. Mill-direct supply ensures tighter dimensional tolerances, consistent coating adhesion, and cost-effective pricing that downstream distributors simply cannot match. Whether your project demands a matte finish, high-gloss surface, or woodgrain texture, waterproof color coated aluminum sheet provides the design flexibility and structural reliability your specifications require.
What is Waterproof Color Coated Aluminum Sheet?
Waterproof color coated aluminum sheet is a pre-finished aluminum product manufactured by applying one or more layers of moisture-resistant organic coatings — including PVDF, polyester (PE), or HDP resin systems — onto a cleaned and chemically treated aluminum alloy base, commonly 1050, 3003, 3105, or 5052 series. The finished product resists water penetration, chemical corrosion, and surface degradation, maintaining color uniformity over service lives exceeding 20 years under standard atmospheric conditions.
Waterproof Color Coated Aluminum Sheet Manufacturing Process
Production begins with continuous coil feeding of aluminum substrate through a multi-stage cleaning and chromate or chrome-free passivation pretreatment line, which enhances coating adhesion strength to a minimum cross-cut rating of Grade 0 per ISO 2409. Primer and topcoat layers are then applied via precision roll-coating heads and cured in high-temperature ovens at 220–260°C, achieving dry film thickness of 18–35 μm for standard polyester grades and 25–40 μm for PVDF systems. Final inspection includes pencil hardness testing (≥2H), T-bend flexibility evaluation, and salt spray resistance verification exceeding 1,000 hours per ASTM B117.
Waterproof Color Coated Aluminum Sheet Technical Specifications
Standard alloy grades include 1100-H14, 3003-H16, and 5052-H18, with tensile strength ranging from 145 MPa to 290 MPa depending on temper selection. Available thickness spans 0.2 mm to 4.0 mm, with coil widths up to 1,600 mm and sheet lengths customized to order. Coating systems comply with ASTM D522, EN 13523, and GB/T 17748 standards. Color options exceed 200 RAL and Pantone references, with 60° gloss values adjustable from 10 GU (matte) to 85 GU (high-gloss). Peel adhesion strength meets or exceeds 4N/mm per EN ISO 4624, ensuring the waterproof coating layer remains intact through forming, bending, and installation processes.

Get a Competitive Quote for Waterproof Color Coated Aluminum Sheet
Partner with our mill-direct team to secure cost-effective pricing, verified quality certifications, and fast lead times on waterproof color coated aluminum sheet for your next project. Our technical specialists are ready to match the exact alloy, temper, coating system, and color specification your application demands.

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