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  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)

Pre-painted Steel Coil (PPGI/PPGL)

Pre-painted steel coil (also known as PPGI coil, Pre-Painted Galvanized Iron, or PPGL coil, Pre-Painted Galvalume Iron) is a high-performance, cost-effective metal material widely used in global construction, home appliances, and logistics industries. As the core raw material for roof and wall panels, pre-painted steel coil undergoes strict surface pretreatment, primer coating, topcoat application, and high-temperature curing processes, integrating excellent corrosion resistance, aesthetic appeal, and long-term durability. 
We provide color-coated steel coils in different specifications and colors, including single-color options, custom patterns, and custom matt wrinkle surface coatings.
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)
  • Pre-painted Steel Coil (PPGI/PPGL)

Description

Introduction:

Pre-painted steel coil (also known as PPGI coil, Pre-Painted Galvanized Iron, or PPGL coil, Pre-Painted Galvalume Iron) is a high-performance, cost-effective metal material widely used in global construction, home appliances, and logistics industries. As the core raw material for roof and wall panels, pre-painted steel coil undergoes strict surface pretreatment, primer coating, topcoat application, and high-temperature curing processes, integrating excellent corrosion resistance, aesthetic appeal, and long-term durability. Our high-quality pre-painted steel coil is perfectly compatible with automatic stacking machines and continuous production lines, ensuring seamless integration for color-coated sheet manufacturers, improving production efficiency and product quality.

Specification:

1, Material Thickness: 0.12–2.0 mm (common 0.3–0.7 mm for roof/wall panels, fully compatible with roof & wall panel stacking machine, ideal for pre-painted steel coil processing)
2, Width Range: 600–1500 mm (customizable, with on-demand cutting service from 3 mm to 1500 mm for pre-painted steel coil applications)
3, Base Steel: Hot-dipped galvanized steel, galvalume steel, electro-galvanized steel, or Al-Zn-Mg coated steel (enhances pre-painted steel coil corrosion resistance)
4, Coating Type: PE, SMP (Silicone-Modified Polyester), HDP (High-Durability Polyester), PVDF (Fluorocarbon) — tailored for different pre-painted steel coil usage scenarios
5, Coating Thickness: Front: 18–35 μm; Back: 10–35 μm (ensures uniform protection and long service life of pre-painted steel coil)
6, Steel Grade: DX51D, DX52D, DX53D, S250GD, S300GD, S350GD, S450GD (customizable per international standards for pre-painted steel coil)
7, Standards: AISI, ASTM, DIN, JIS, GB, EN (pre-painted steel coil compliant with global export requirements, suitable for international markets)
8, Color & Finish: Customizable RAL colors, gloss or matte finish, textured options available (meets aesthetic needs of pre-painted steel coil applications)
9, Weight: Customizable per coil, compatible with 3-5 tons package weight for automatic stacking of pre-painted steel coil
10, Service Life: 10–15 years under normal outdoor conditions, 20+ years for PVDF coating — reducing long-term maintenance costs of pre-painted steel coil products.

Key Features

1, Superior Corrosion Resistance: The multi-layer coating (primer + topcoat) and galvanized/galvalume base steel of pre-painted steel coil effectively resist rust, moisture, and chemical erosion, making it suitable for indoor and outdoor applications, even in harsh environments.
2, Aesthetic & Customizable: Pre-painted steel coil offers a wide range of RAL colors, gloss/matte finishes, and textures, enabling flexible design matching for various construction and product needs, no need for secondary painting.
3, Lightweight & Easy to Process: Pre-painted steel coil is lightweight yet high-strength, easy to cut, bend, and form, compatible with roof/wall panel production lines and automatic stacking machines, improving processing efficiency.
4, Cost-Effective & Durable: With a long service life (10–20+ years), pre-painted steel coil reduces maintenance and replacement costs, providing long-term value for users compared to traditional materials.
5, Eco-Friendly & Recyclable: Pre-painted steel coil is non-toxic, low-pollution, and 100% recyclable, complying with global environmental standards, suitable for green construction and sustainable production.
6, Seamless Production Compatibility: Pre-painted steel coil is perfectly matched with automatic stacking machines and continuous production lines, ensuring smooth material transfer, minimizing damage, and boosting production throughput.

Application

1, Construction Industry: Core raw material for pre-painted steel coil roof panels, wall panels, partition boards, and decorative panels in residential, commercial, and industrial buildings (e.g., workshops, warehouses, shopping malls).
2, Roof & Wall Panel Production: Primary material for color-coated sheet manufacturers, processed into various roof and wall panels, compatible with automatic stacking machines for end-of-line packaging.
3, Home Appliances: Used in the shells of refrigerators, washing machines, air conditioners, and water heaters — pre-painted steel coil’s corrosion resistance and aesthetic appeal enhance product durability and appearance.
4, Logistics & Packaging: Manufactured into storage racks, shipping containers, and packaging boxes — pre-painted steel coil’s strength and corrosion resistance ensure long-term use in harsh logistics environments.
5, Infrastructure: Applied in highway guardrails, billboards, and municipal facilities — pre-painted steel coil’s weather resistance and customizable colors meet infrastructure aesthetic and functional needs.
6, Custom Fabrication: Used by metal building component manufacturers to produce tailored products, leveraging pre-painted steel coil’s easy processing and customization advantages.

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