High-Quality Prepainted Aluminum Coils from China - Leading Suppliers and Factory for PPGL Products

QINGDAO SINCERELY Steel is a top China-based factory and one of the leading suppliers of high-quality Prepainted Aluminium Coils. Our ultra-modern ISO 9001:2015 certified coil coating facility is strategically located in the Shandong Industrial Park near Qingdao Port, enabling efficient production and distribution. As a trusted China factory, we serve a wide regional network and export our products globally to countries including Saudi Arabia, Kuwait, Oman, Bahrain, Jordan, as well as multiple African and European markets, Our prepainted aluminium coils are available in various surface coatings, including polyester (PE), fluorocarbon (PVDF), and epoxy coatings, catering to diverse industry needs. Depending on coating thickness, we offer single-coated (4-20 microns), double-coated (25-28 microns), and triple-coated (35-38 microns) aluminium coils, ensuring durability and superior performance, QINGDAO SINCERELY Steel coils are widely used in roofing and cladding systems, ceilings, curtain wall panels, shutters, gutters, composite panels, cans, home appliance panels, and embossed aluminium applications. As one of the premier China suppliers and factory for prepainted aluminium coils, we pride ourselves on delivering exceptional quality Made in China products tailored to international specifications
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PRODUCTS DETAILS

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
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Frequently Asked Questions (FAQ)
What is Prepainted Aluminum (PPAL)?
Prepainted Aluminum (PPAL) refers to aluminum coils or sheets coated with a protective and decorative paint finish prior to forming. It provides exceptional durability, corrosion resistance, and aesthetics for various industrial applications.
Which aluminum alloys can be supplied?
We offer prepainted aluminum in alloys such as 1100, 3004, 3005, 3105, 5005, 5050, 5052, and others upon request to suit specific structural and forming requirements.
What are the thickness and width limitations?
The thickness range is 0.20 mm to 1.20 mm, and the width ranges from 40 mm to 1350 mm, making it highly versatile for different processing requirements.
What standards do the prepainted aluminum coils follow?
Our products are manufactured according to ASTM B209 M standards or other equivalent international standards to guarantee consistent mechanical performance and coating quality.
What are the standard internal and outer diameters?
The standard internal diameter is 508 mm, with an optional 610 mm version. The maximum outer diameter is 1800 mm.

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