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Weatherproof Prepainted Aluminum Coil and Sheet for Composite Sandwich Panels

Weatherproof Prepainted Aluminum Coil and Sheet for Composite Sandwich Panels

High-durability color coated aluminum coil with excellent fire resistance and thermal insulation properties. Ideal for sandwich panels and cold room cladding. Free samples available!

Classification :

Colored Aluminum

WhatsApp : +8615253142303

E-mail : admin@chengchengsteel.com

PRODUCT DETAILS

High-Durability Color Coated Aluminum Sheet and Coil for Industrial Composite Panels

Our specialized Prepainted Aluminum series is designed to meet the rigorous demands of industrial insulation, composite laminates, and cold-chain logistics systems. Utilizing high-strength aluminum alloy substrates and advanced continuous roller coating lines, we deliver products with outstanding fire-retardant properties, chemical stability, and long-term weatherproofing.

Specially engineered to bond seamlessly with core materials like polyurethane (PU), rock wool, and EPS, our color coated aluminum sheets are the perfect choice for high-performance composite sandwich panels, cold room enclosures, and commercial vehicle siding.

Key Product Features

Excellent Fire & Heat Resistance: Formulated with non-toxic, flame-retardant coatings that meet strict international fire safety regulations for industrial buildings.

Superior Back-Coating Adhesion: The reverse side of the aluminum sheet is treated with specialized epoxy primers to ensure strong, permanent bonding with adhesive agents and foam cores.

Heavy-Duty Corrosion Protection: Excellent resistance to humidity, chemical cleaners, salt spray, and bacterial growth, maintaining hygienic standards for food-grade facilities.

High Structural Strength: Offers optimized mechanical properties to withstand external pressure, heavy wind loads, and thermal expansion or contraction.

Technical Specifications

Parameter	Specification / Options
Product Name	Color Coated Aluminum Coil & Sheet (for Composite Panels)
Available Alloys	1050, 1100, 3003, 3004, 3105, 5005, 5052, 8011
Material Temper	H14, H16, H18, H24, H26, O
Thickness	0.2 mm - 2.5 mm (Customizable)
Width	40 mm - 1600 mm (Customizable)
Coating Systems	PVDF, High-Durability Polyester (PE), Polyurethane (PU), Epoxy Primer
Standard Coatings	Top Side: 15 - 25 microns \| Back Side: 5 - 10 microns with adhesion promoter
Surface Options	Flat smooth, stucco embossed, or custom matte textures
Quality Standards	ASTM B209, EN 485, GB/T 3880, JIS H4000
Packing	Standard export seaworthy wooden pallets, packed with steel bands

Primary Applications

Composite Sandwich Panels: Exterior skin panels for polyurethane (PU) panels, rock wool insulated walls, and EPS roofing systems.

Cold-Chain & Clean Rooms: Wall and ceiling linings for cold rooms, food processing plants, pharmaceutical laboratories, and hospitals.

Commercial Vehicles: Outer and inner body panels for refrigerated trucks, cargo vans, trailers, and mobile homes.

Industrial Enclosures: Weatherproof cladding for manufacturing plants, warehouses, power generation stations, and chemical storage depots.

FACTORY WORKSHOP

APPLICATION FIELD

Petroleum

Marine Exploration

Coal Mine

Architectural Engineering

Electric Field

Boiler Field

FAQ

1.Q: Are you trading company or manufacturer ?

A: We are professional manufacturer with rich experience, and our company also is a very professional a trade company for steel products. We can also provide a wide range of steel products.

2.Q: Will you delivery the goods on time?

A: Yes,we promise to provide best quality products and delivery on time. Honesty is our company's tenet.

3.Q: Do you provide samples ? Is it free or extra ?

A: The sample could can provide for customer with free,but the courier freight will be covered by customer account.

4.Q: Do you accept the third party inspection?

A: Yes absolutely we accept.

5.Q: How could you guarantee your products?

A: Each piece of products is manufactured by certified workshops, inspected by Linxu piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.

6.Q: How long does your delivery time take?

A: Generally, our delivery time is within 7-45 days, if there is a great demand or special circumstances, it may be delayed.