PVDF Color Coated Aluminium Coil

06/02 2025

In the realm of architectural aesthetics and industrial performance, PVDF color coated aluminium coil has emerged as a superior material, offering both durability and striking appearance.

PVDF Color Coated Aluminium Coil

PVDF stands for polyvinylidene fluoride—a fluoropolymer resin that acts as a protective and decorative coating on aluminium coils. This coating provides remarkable resistance to environmental hazards such as ultraviolet (UV) rays, extreme weather, and chemical corrosion. Applied through advanced coil coating lines, PVDF color coated aluminium coils transform raw aluminium into high-performance materials renowned for their functionality and aesthetic value.

Functions of PVDF Color Coated Aluminium Coil

1. Superior Weather ResistanceThe unique molecular structure of PVDF grants it exceptional resistance to sunlight degradation, allowing coloured aluminium surfaces to maintain their gloss, strength, and vividness over decades, especially when contrasted with traditional coatings like polyester or acrylic.

2. Chemical ResistancePVDF exhibits strong resistance to pollutants, acid rain, and alkaline substances, preventing corrosion and coating degradation in industrial and coastal environments.

3. Flexibility and FormabilityThe coil maintains aluminium's inherent excellent formability, suitable for complex bending, folding, or extruding processes without damaging the coated layer.

4. Low MaintenanceDue to its non-adhesive surface property, PVDF-coated aluminium panels require minimal cleaning and maintenance, drastically reducing overall life cycle costs.

Primary Applications of PVDF Color Coated Aluminium Coil

• Architectural Cladding and Roofing: Due to its UV resistance, coil coating durability, and color longevity, it's a preferred choice for external building claddings, roofing panels, and curtain walls.

• Transportation Industry: Used in railways, marine vessels, and trailers where long-term exposure-aware corrosion resistance is critical.

• Signage and Decoration: Its vibrant palette and weatherproof properties enable long-lasting signage and billboards in all inhabited climates.

• Electrical and Electronics Housing: Provides EMI shielding along with a durable finish on appliances and electrical enclosures.

Technical Details & Standards

Base Aluminium Alloy & Tempering

• Typical Alloy Grades:

• 1100, 3003, 3105, 5005, 6061 alloys are most commonly selected based on application performance requirements.

• Temper States:

• H14, H16, H24 tempers provide balanced formability and strength depending on the end-use demands.

• For structural applications, alloys in H16 or H24 tempers are preferred.

Coil Specifications

Implementation Standards

Manufacturing and application need to comply with globally recognized standards ensuring quality and environmental compliance:

• ASTM D4366–16 – Standard Specification for PVDF Resin.
• AAMA 2605-13 – Voluntary Specification for High-Performance Organic Coatings on Architectural Aluminium Extrusions and Panels (governs outdoor durability and weathering quality).
• GB/T 1765-2019 — Reflectance first test for painted aluminium sheets (Chinese monitoring standard).
• RoHS Compliance and REACH directives ensure coating materials and production processes are environmentally safe.

Chemical Composition of a Typical 5005 (H24) Aluminium Coil

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