Color Coated Aluminium Coil: PE Vs PVDF Coatings — Which One Fits Your Project?

Introduction

Color coated aluminium coil has become one of the most versatile building and industrial materials worldwide — used in curtain walls, roofing systems, gutter systems, rolling shutters, home appliance panels, truck bodies, and beyond. Yet for buyers and project specifiers, the single most important decision is often the simplest one to overlook: which coating system should you choose?

At Dingang, we have nearly 20 years of professional metal coating experience and operate eight large automatic roller coating lines. The two coatings we are asked about most frequently are PE (Polyester) and PVDF (Polyvinylidene Fluoride). Both deliver excellent performance — but they are designed for different environments, budgets, and service-life expectations.

This guide breaks down the differences so you can specify the right coating for every project.

What Is PE (Polyester) Coating?

Polyester (PE) coating is an organic paint system widely used for color coated aluminium coil. It is valued for its rich color palette, good gloss retention, and cost-effective performance in moderate environments.

At Dingang, our PE paint coating is applied at not less than 18µm per side, ensuring a smooth, uniform, and durable surface. PE coatings are available in opaque, semi-opaque, bright, semi-transparent, and transparent versions — and in virtually any color upon request, including wood grain, marble, brick, and camouflage patterns.

→ Explore Dingang Low-Gloss Anti-Yellowing PE Coated Aluminum Coil

Key strengths of PE coating

• Excellent color variety and decorative flexibility

• Good formability and adhesion for bending and fabrication

• Cost-effective for large-volume projects

• Suitable for indoor and moderate outdoor applications

Ideal applications

• Interior ceiling systems and wall panels

• Advertising boards and signages

• Rolling shutter doors and blinds

• Home appliance panels (microwave ovens, air conditioners, refrigerators)

• Gutter systems and trim coils in mild-to-moderate climates

What Is PVDF (Polyvinylidene Fluoride) Coating?

PVDF coating is a high-performance fluoropolymer paint system engineered for extreme weather resistance. It is the premium choice for exterior architectural projects where the material must withstand intense UV radiation, coastal salt spray, industrial pollution, and wide temperature swings over decades.

Dingang's PVDF paint coating is applied at not less than 25µm, providing a thicker, more robust protective barrier than standard PE. PVDF coatings retain their color and gloss far longer under harsh sunlight, making them the preferred specification for high-rise curtain walls and exposed roofing in demanding climates.

→ Explore Dingang Heavy-Thickness PVDF Coated Aluminum Coil

Key strengths of PVDF coating

• Superior UV resistance and long-term color stability

• Excellent resistance to salt spray, chemicals, and atmospheric corrosion

• Longer service life — typically 20+ years in exterior environments

• Low surface energy for easy cleaning and self-cleaning effects

Ideal applications

• Building curtain wall systems (high-rise and landmark projects)

• Exposed roofing and wall cladding in coastal or industrial zones

• Projects requiring 20-year+ color and performance warranties

• Outdoor architectural facades in high-UV regions

PE vs PVDF: Side-by-Side Comparison

How to Choose: A Quick Decision Framework

Still unsure? Ask yourself these three questions:

1. Where will the material be installed?

• Indoor or sheltered → PE is usually sufficient and more economical.

• Outdoor, moderate climate → PE works well; PVDF is an upgrade for longer life.

• Coastal, industrial, high-UV, or high-rise exterior → PVDF is strongly recommended.

2. What warranty or service life does the project require?

• 10–15 years acceptable → PE coating delivers strong value.

• 20+ years required → PVDF is the industry-standard specification.

3. What is the budget?

• Cost-sensitive, high-volume → PE offers the best balance of aesthetics and price.

• Premium facade / landmark project → PVDF's long-term performance lowers lifecycle cost.

Why Source Color Coated Aluminium Coil from Dingang?

With two plants covering 160,000 m², eight automatic roller coating lines, and an annual deep-processing capacity of over 20,000 tons, Dingang has supplied color coated aluminium products to more than 100 countries and completed over 200 major projects worldwide in the past 22 years.

Whether you need PE-coated coil for a large appliance order or PVDF-coated coil for a coastal curtain wall project, we can tailor:

• Alloy: 1060, 1100, 3003, 3004, 3105, 5052, 5005, 8011, etc.

• Temper: O, H12, H14, H16, H18, H24, H26, H32, etc.

• Thickness: 0.2 – 2.5 mm

• Width: 30 – 2,750 mm

• Inner diameter: 405 mm, 508 mm, 610 mm

• Coating: PE (≥18µm), PVDF (≥25µm), and specialty finishes