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PPGL Coil
PPGL Coil

PPGL Coil

PPGL (Pre-Painted Galvalume Steel) coil is a premium coated steel product that combines the superior corrosion resistance of Galvalume substrate with the aesthetic versatility of a durable paint finish. The base metal—Galvalume (aluminum-zinc alloy coated steel)—is surface-treated, primed, and coated with one or more layers of organic paint through a continuous coil coating process. This creates a high-performance material that offers enhanced protection against corrosion and heat, along with excellent formability and visual appeal for demanding architectural and industrial applications.

Key Specifications
Substrate Base Metal: Hot-Dip Galvalume Steel (Aluminum-Zinc Alloy Coated).
Standard Coating: 55% Aluminum, 43.5% Zinc, 1.5% Silicon (e.g., ASTM A792 AZ150, AZ180).

Paint System Types:
Polyester (PE): Economic choice with good gloss and color retention for general use.
Silicon Modified Polyester (SMP): Enhanced durability, chalk resistance, and color stability.
Polyvinylidene Fluoride (PVDF): Premium architectural coating (70% PVDF) offering exceptional UV resistance and long-term color fidelity.
High-Durability Polyester (HDP): Superior performance bridging the gap between SMP and PVDF.
Material Grades: Based on substrate: ASTM A792 CS/CQ, DQ, SS; EN 10346 DX51D+AZ, DX52D+AZ, DX53D+AZ, DX54D+AZ.
Aluminum-Zinc Coating Weight: AZ50 to AZ200 (g/m²) / AZM grades available, depending on corrosion protection requirements.


    PPGL Coil, also known as Prepainted Galvalume Steel Coil, is a high-performance composite metal material produced by coating high-quality galvalume steel sheets (a zinc-aluminum alloy coating, typically 55% aluminum, 43.5% zinc, and 1.5% silicon) with multi-layer organic coatings through advanced roller coating technology. Unlike PPGI Coils (galvanized substrate), PPGL Coils feature a galvalume substrate that offers stronger corrosion resistance, especially in harsh outdoor environments such as coastal areas, high-humidity regions, and industrial zones. The factory pre-painted process eliminates the need for on-site spraying, improving construction efficiency, reducing labor costs, and ensuring uniform coating quality. With a service life of 20-35 years (far longer than PPGI and ordinary galvanized coils), PPGL Coil is a cost-effective, energy-saving, and sustainable material solution for long-term projects.


    Product Features & Advantages

    ·  Enhanced Protection: 55%Al-Zn base + pre-paint resists moisture, salt spray, UV and chemicals; superior to galvanized/PPGI.

    ·  Custom Aesthetics: RAL/Pantone colors, matte/glossy/textured finishes (wood/stone grain available).

    ·  Durable Strength: High-tensile base with scratch-resistant coating for load-bearing and anti-deformation.

    ·  Easy Processing: Formable and weldable without coating damage, reducing installation time.

    ·  Cost-Effective: All-in-one protection and decoration; low maintenance, no post-painting.

    ·  Eco-Friendly: Non-toxic coatings; heat reflection cuts building energy use.


    Core Specifications & Technical Parameters

    Parameter

    Details

    Product Name

    Pre-Painted Galvalume Coil (PPGL Coil)

    Substrate Grade

    DX51D+AZ, DX52D+AZ, DX53D+AZ, S280GD+AZ, S350GD+AZ, SGCH

    Thickness (Base Steel)

    0.12mm - 3.0mm

    Width

    600mm - 1250mm

    Zinc Coating

    30g/ - 275g/

    Coating Type

    PE (Polyester), SMP (Silicon Modified Polyester), HDP (High Durability Polyester), PVDF (Polyvinylidene Fluoride)

    Coating Thickness

    Top: 10-25μm

    Back: 5-15μm

    Color

    RAL Standard Colors (RAL 5002, RAL 9003, RAL 9016, etc.)


    Wide Application Scenarios

    ·  Construction: Roofing/wall panels, curtain walls, door/window frames (coastal/humid areas).

    ·  Infrastructure: Lamp poles, billboards, bus shelters, guardrails (long outdoor life).

    ·  Home Appliances: Shells for refrigerators, washers, ACs; metal cabinets.

    ·  Marine/Coastal: Guardrails, offshore components, port cladding (saltwater-resistant).

    ·  Manufacturing: Machinery casings, equipment covers, production line parts.

    ·  Interior: Wall cladding, ceilings, partitions (offices/malls/high-end residences).

    ·  Agriculture: Greenhouse frames, farm sheds, livestock pens, machinery covers.

    ·  Retail/Energy: Display racks; solar supports, power cabinets (stable outdoor performance).

     

    Why Choose Us?

    · Strict QC: Consistent coating quality, adhesion and corrosion resistance.

    · Fast Delivery: 3-7 days for in-stock items.

    · OEM/ODM: Full customization of grades, sizes, coatings and colors.

    · Factory Pricing: Competitive rates for bulk/long-term orders.

     

    We provide personalized solutions for construction, home appliances and automotive needs. 


    Contact us for a free quote and sample to start win-win cooperation!


    WhatsApp/Phone: +86 173 2728 8611

    Email: sales01@huafulai-js.com

     

     

     



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