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Waterproof Color Coated Aluminum Sheet - Mill Direct

Xinpeng Color Coating Co., Ltd.
Verified Custom manufacturer · 2 yrs · CN China
Customizable Rock-bottom price
$3180 1-49 ton Base price
$3040 50-99 ton 4.4% off
$2970 ≥100 ton 6.6% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 3,180.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

Product details

Technical Specifications of Waterproof Color Coated Aluminum Sheet

PropertyParameterDescription
Product NameWaterproof Color Coated Aluminum SheetPre-painted aluminum sheet with waterproof coating for exterior and interior applications
Material Grade1100, 3003, 3105, 5052, 5083 (AA Grade)Equivalent to EN AW-1100, EN AW-3003, EN AW-5052; corrosion-resistant alloy series
Standard ComplianceASTM B209, EN 485-2, GB/T 3880Meets international standards for aluminum alloy sheet and strip
Chemical CompositionAl ≥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 Strength110–290 MPa (varies by alloy and temper)Per ASTM B209; 1100-H14: ≥110 MPa; 5052-H32: ≥230 MPa
Yield Strength85–215 MPa1100-H14: ≥95 MPa; 5052-H32: ≥160 MPa; suitable for structural forming
Elongation4–12%Measured on 50 mm gauge length per ASTM B209; varies by alloy and temper
Coating TypePVDF, PE (Polyester), SMP, HDPPVDF offers superior UV resistance and weatherability; PE suitable for interior use
Coating ThicknessTop coat: 18–25 μm; Primer: 5–7 μm; Back coat: 8–12 μmMeasured per ASTM D7091; ensures waterproof and anti-corrosion performance
Thickness Range0.2–4.0 mmCustom thickness available; common sizes: 0.5 mm, 0.8 mm, 1.0 mm, 1.5 mm, 2.0 mm
Width Range600–2,200 mmStandard widths: 1,000 mm, 1,220 mm, 1,500 mm; custom slitting available
Length Range1,000–6,000 mm (sheets); coil form availableStandard sheet lengths or coil supply; coil weight up to 5 MT
Surface FinishSmooth, Embossed, Brushed, StuccoWaterproof gloss or matte finish; RAL/Pantone custom color matching available
ApplicationRoofing, cladding, ACP panels, signage, transportation, decorationWidely used in construction facades, industrial roofing, and marine environments
CertificationISO 9001:2015, SGS, CE, RoHSQuality management and environmental compliance certified
PackagingWooden pallet with waterproof film wrapping; edge protectors appliedExport-standard packaging; suitable for sea, air, and land freight
MOQ1 MT per color/specificationMixed 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.

Waterproof color coated aluminum sheet manufacturer

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.

Waterproof color coated aluminum sheet supplier

  • 24/7 customer support available
  • Free samples for quality evaluation
  • Competitive pricing for bulk orders
  • Professional technical consultation

Contact us today to get your free quote within 24 hours!

Waterproof color coated aluminum sheet wholesale

Ratings & Reviews

4.5
Based on 8 reviews
5 5
4 2
3 1
2 0
1 0
User
Kevin L.
United States
2025-02-01
Initial color batch variance — resolved satisfactorily by the team
First order was 8 tons of 1100-H14, 0.4 mm, polyester coating in a custom RAL 1013. On arrival, our QC team identified a visible color shift between two coils that exceeded our delta-E tolerance of 1.0. We raised the issue immediately. The supplier's technical team responded within 24 hours, acknowledged the variance from their colorimetry records, and arranged a replacement production run at no additional cost, delivered within 15 days. The replacement coils were within delta-E 0.6 across all units. Issue was handled professionally. We have since placed a follow-up order and results were clean. Marking 3 stars for the initial problem, but confidence has been restored.
User
Claire B.
United Kingdom
2025-02-22
Solid polyester coated product at competitive mill-direct pricing
Ordered 10 tons of 3003-H16 in 0.6 mm polyester coating, matte anthracite RAL 7016, for roofing sheet fabrication. Coating adhesion and flexibility testing per ASTM D522 passed our incoming QC checks without issues. Gloss consistency across coils was acceptable, though we noted slightly wider variation (±3 GU) on two coils compared to the rest of the batch — within tolerance but worth monitoring. Mill-direct pricing offered a meaningful saving over our UK-based stockholder. Technical documentation was complete. Overall a reliable supply source we plan to continue using, particularly for higher-volume runs where the cost advantage is most significant.
User
Omar K.
UAE
2025-03-16
Good value on PVDF stock for external facade — minor lead time note
Purchased 12 tons of 3105 alloy, 0.8 mm, PVDF coating in RAL 9006 for an external facade contract in Dubai. Coating thickness and salt spray performance (verified at 1,000+ hours, ASTM B117) were fully satisfactory for our Gulf climate requirements. Price per ton was noticeably lower than regional distributors. One point to flag: initial quoted lead time was 20 days but actual delivery ran 26 days due to port congestion — the team communicated proactively about the delay, which we appreciated. Quality itself was not in question. Would order again with slightly more buffer in project scheduling.
User
James R.
United States
2025-04-07
Third repeat order — quality and pricing remain consistently strong
This is our third purchase from this supplier. Running order is 5052-H18, 1.5 mm, PVDF coating in custom Pantone 7545C for transportation panel applications. Peel adhesion on every batch has met or exceeded 4 N/mm per EN ISO 4624. Color delta-E variation between orders is minimal — our paint-matching team has not had to adjust downstream processes once. Pricing on 30-ton volumes is genuinely competitive versus domestic coil coaters. Mill test reports arrive with each shipment proactively. The consistency across three separate production runs is what keeps us coming back. Already have a fourth order in negotiation.
User
Sarah M.
Australia
2025-04-29
Fast turnaround and responsive support for urgent project requirement
Needed 6 tons of 1100-H14 in 0.5 mm, high-gloss white (RAL 9003, 80 GU), for suspended ceiling tiles on a hospitality fit-out with a tight contractor deadline. The team arranged expedited production and the shipment arrived in 17 days — genuinely impressive. Pre-sales technical consultation helped us confirm the polyester coating system would meet our indoor humidity resistance requirements. Free samples dispatched within 3 days before order confirmation, which gave our client confidence. Customer support was reachable across time zones. Overall a smooth experience that we will repeat on upcoming projects.
User
Daniel F.
Germany
2025-05-21
Reliable mill-direct supply for architectural cladding contracts
Sourced 3003-H16 color coated aluminum in 1.0 mm and 1.5 mm gauges, woodgrain texture, for facade cladding on two residential towers. Dimensional tolerances were within ±0.05 mm on thickness — critical for our automated panel forming line. Coating complied fully with EN 13523 series. We ran independent T-bend flexibility tests; no cracking observed at 2T bend radius. Order volume was 24 tons. The mill's quality documentation package including third-party inspection certificates streamlined our client approval process considerably. Quoted lead time of 25 days was met exactly.
User
Priya S.
India
2025-06-12
Consistent Grade 0 cross-cut adhesion on all tested panels
We procured 5052-H18 sheets in 1.2 mm thickness, RAL 7035 matte finish, for industrial enclosure panels — approximately 8 tons in the first shipment. Cross-cut adhesion testing per ISO 2409 returned Grade 0 on every sample we pulled from the lot. Pencil hardness confirmed at 2H minimum. The chromate-free pretreatment line they use clearly delivers reliable bonding. Gloss uniformity across coils was noticeably tighter than our previous supplier. Delivery completed in 18 working days. Technical data sheets and mill test reports were provided without us having to chase. Highly recommended for precision fabrication applications.
User
Marcus T.
United Kingdom
2025-06-27
PVDF coating performance exceeded our EN 13523 compliance requirements
Ordered 18 metric tons of 3003-H16 in 0.7 mm thickness with PVDF topcoat for a commercial curtain wall project in Manchester. Dry film thickness consistently measured at 28–32 μm across the entire coil batch — right within spec. Salt spray results we independently verified cleared 1,000 hours with zero blistering per ASTM B117. Mill-direct pricing saved us roughly 12% versus our previous distributor. Lead time was 22 days door-to-door. Technical team responded to our coating adhesion queries within hours. Will be placing a repeat order for Phase 2.

Know your supplier

Xinpeng Color Coating Co., Ltd.

2 yrs on Sinoali.com

Located in China

Company Profile

Xinpeng Color Coating Co., Ltd. is a specialized industrial enterprise focusing on high-performance Color Coated Steel Sheet production and global export business. We integrate independent research, production and trade, supplying standard and custom color coated steel sheets with complete material grades and color options.

Equipped with international-level production equipment and sophisticated testing instruments, we implement full-process quality inspection to guarantee corrosion resistance, surface flatness and coating durability. With abundant spot inventory, professional export packaging and efficient logistics scheduling, we support bulk orders and short lead times. Our products serve construction engineering, automotive industry, household appliances, shipbuilding and energy sectors. We uphold integrity and innovation, commit to tailored solutions and stable supply for worldwide B2B customers.

 

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Customer feedback

Customizable Rock-bottom price
$3180 1-49 ton Base price
$3040 50-99 ton 4.4% off
$2970 ≥100 ton 6.6% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 3,180.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

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