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High-Quality Prepainted Aluminum Coils from China - Reliable Suppliers & Advanced Factory Solutions
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High-Quality Prepainted Aluminum Coils from China - Reliable Suppliers & Advanced Factory Solutions

QINGDAO SINCERELY Steel stands as a premier manufacturer and supplier of high-quality Prepainted Aluminium Coils in China. Our state-of-the-art factory, certified with ISO 9001:2015, is strategically located in the Shandong Industrial Park, close to the bustling Qingdao Port. This facility, combined with our extensive network of coil service centers across the region, positions QINGDAO SINCERELY STEEL as the industry's leading supplier of Prepainted Aluminium Coils, Our products, proudly made in China, are exported to a diverse range of countries, including Saudi Arabia, Kuwait, Oman, Bahrain, Jordan, as well as various nations across Africa and Europe. We offer a variety of surface coating options for our aluminum coils, including polyester (PE) coated, fluorocarbon (PVDF) coated, and epoxy coated aluminum coils, In addition, we categorize our offerings based on coating thickness: single-coated aluminum coils (4-20 microns), double-coated aluminum coils (25-28 microns), and triply-coated aluminum coils (35-38 microns). Our coated aluminum coils (PPAL) are extensively used in roofing and cladding systems, ceiling systems, curtain wall plates, shutters, gutters, composite panels, cans, home appliance boards, and embossed aluminum coils. With QINGDAO SINCERELY Steel, you can rely on top-tier quality and service from one of China's leading suppliers

Prepainted Aluminum (PPAL) Specifications

Substrate
Mill finish tension leveled Aluminum coils.
Quality
Smooth surface, Mill Finish Aluminum coils.
Standard
ASTM B209 M or any other international standards
Alloy
1100, 3004, 3005, 3105, 5005, 5050, 5052 etc., or any other alloy on request
Temper
H-16, H-26, H-46, H-48
Thickness
0.20 mm – 1.20 mm for Aluminium
Width
40 mm – 1350 mm
Internal Diameter
508 mm (Standard) / 610 mm (Optional)
Outer Diameter
1800 mm Max

Production Process

Frequently Asked Questions (FAQ)

What substrate material is used for Prepainted Aluminum (PPAL)?

The substrate used is mill finish tension leveled Aluminum coils, ensuring a smooth, high-quality base surface before prepainting.

Which aluminum alloys and tempers are available?

We supply alloys 1100, 3004, 3005, 3105, 5005, 5050, 5052, etc. Other alloys can be provided on request. Available tempers include H-16, H-26, H-46, and H-48.

What are the thickness and width specifications of the coils?

The thickness for the prepainted aluminum ranges from 0.20 mm to 1.20 mm, and the available width ranges from 40 mm to 1350 mm.

What standard does the Prepainted Aluminum comply with?

Our prepainted aluminum is manufactured in accordance with the ASTM B209 M standard, or any other international standards requested by the client.

What are the internal and outer diameter specifications for the coils?

The standard internal diameter (ID) is 508 mm, with an optional 610 mm ID available. The maximum outer diameter (OD) of the coils is 1800 mm.