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High-Quality Prepainted Aluminum Coils from China - Leading Suppliers & Factory in the Industry
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High-Quality Prepainted Aluminum Coils from China - Leading Suppliers & Factory in the Industry

QINGDAO SINCERELY Steel is a leading manufacturer and supplier of high-quality Prepainted Aluminium Coils in China. Our state-of-the-art ISO 9001:2015 certified coil coating facility, located in the Shandong Industrial Park near Qingdao Port, positions us as a top factory in the industry. We proudly export our products to numerous countries, including Saudi Arabia, Kuwait, Oman, Bahrain, Jordan, as well as various African and European nations, Our color-coated aluminum coils are categorized based on surface coating types, offering polyester (PE), fluorocarbon (PVDF), and epoxy coatings. Additionally, we provide a range of products according to the thickness of the coatings, including single-coated aluminum coils (4-20 microns), double-coated aluminum coils (25-28 microns), and triply-coated aluminum coils (35-38 microns), Coated aluminum coils (PPAL) are versatile and widely utilized in applications such as roofing and cladding systems, ceiling systems, curtain wall plates, shutters, gutters, composite panels, cans, home appliance boards, and embossed aluminum coils. Trust QINGDAO SINCERELY Steel for all your aluminum coil needs, where quality meets excellence in China

PREPAINTED ALUMINUM (PPAL)

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 DIA. 508 mm (Standard) / 610 mm (Optional)
OUTER DIA. 1800 mm Max

Production process

Prepainted Aluminum Production Process 1
Prepainted Aluminum Production Process 2
Prepainted Aluminum Production Process 3
Prepainted Aluminum Production Process 4
Prepainted Aluminum Production Process 5
Prepainted Aluminum Production Process 6

Frequently Asked Questions (FAQ)

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

Our Prepainted Aluminum (PPAL) uses mill finish tension leveled Aluminum coils as the substrate, ensuring a smooth and high-quality surface.

Which aluminum alloys and tempers are available?

We offer a wide range of alloys including 1100, 3004, 3005, 3105, 5005, 5050, and 5052. Other alloys are available on request. The available tempers are H-16, H-26, H-46, and H-48.

What are the thickness and width specifications of your PPAL?

The thickness of our Prepainted Aluminum ranges from 0.20 mm to 1.20 mm, and the width ranges from 40 mm to 1350 mm.

What standards do your Prepainted Aluminum products meet?

Our products are manufactured in compliance with the ASTM B209 M standard or any other recognized international standards.

What are the coil diameter options?

The standard internal diameter (ID) is 508 mm, with a 610 mm option available. The maximum outer diameter (OD) is 1800 mm.