PPGI Color Coated Steel Coil (Red)

PPGI (Pre-Painted Galvanized Iron), or color coated galvanized steel coil, is a highly common and widely used material. Red PPGI coils, in particular, are popular for their vibrant color and durability.

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Product Introduction

I. Main Applications

1. Construction Industry (Primary Market)

Roofing and External Walls: such as roof and wall cladding of industrial plants, warehouses, stadiums, commercial centers, agricultural greenhouses, etc.
Roofing Accessories: such as ridge caps, gutters, flashing, etc.,
Interior Decoration: used for interior partitions, ceilings, or other elements

2. Appliance Industry

Appliance Housings: washing machines, microwave ovens, outdoor air conditioner covers, water heater casings, etc.

3. Transportation

Van/Truck Body Panels: interior and exterior wall panels of truck, trailer, and RV bodies.
Interior Decoration: decorative panels and partitions inside buses and trains.

4. Furniture and Office Equipment

Filing Cabinets, Storage Lockers: Common red storage lockers in offices and factories.
Bookshelves, Display Racks: Used in stores, libraries, etc.

5. Others

Billboards and Signage: Used as substrate material.

Prefabricated Houses: Temporary site shelters, guard booths, etc.

II. Detailed Specifications and Characteristics

1. Substrate Specifications

Substrate Type: Typically Galvanized Steel (GI). Zinc coating Z60, Z80, Z100, Z120, Z150, Z180, Z275, etc.
Steel Thickness: Commonly ranges from 0.12mm to 1.2mm.

Coil Width: Common widths include 1000mm, 1200mm, 1250mm, etc., and can be slit to customer requirements.
Steel Grade: DX51D+Z (general purpose), DX52D+Z (for forming), DX53D+Z (for deep drawing), etc.

Color Coated Coil vs. Galvanized Coil: Comparative Overview

Aspect	Color Coated Coil (PPGI/PPGL)	Galvanized Coil (GI/GL)
Full Name	Pre-Painted/Color Coated Steel Coil/Strip	Galvanized Steel Coil/Strip
Common Abbreviation	PPGI (Galvanized substrate) / PPGL (Aluzinc substrate)	GI (Hot-Dip Galvanized) / GL (Galvalume/Aluzinc)
Core Definition	A value-added, finished product with an organic paint coating applied over a metallic-coated substrate.	A semi-finished product/raw material providing basic corrosion protection via a metallic zinc coating.
Typical Structure	Multi-layer composite: 1. Steel Substrate 2. Metallic Coating (Zinc or Aluzinc) 3. Chemical Conversion Layer 4. Primer Coat 5. Colored Topcoat(s)	Two-layer structure: 1. Steel Substrate 2. Zinc or Zinc-Aluminum Coating
Appearance	Wide range of colors (red, blue, white, grey, etc.). Various finishes: glossy, matte/satin, embossed. High aesthetic value.	Metallic silver-grey only. Either spangled (visible zinc crystallization pattern) or smooth/minimum spangle finish.
Corrosion Resistance	Excellent/Comprehensive. offer 15-25+ years	Good, but finite. Depends on coating thickness. Protection stops when the zinc layer is consumed.
Cost	Higher.	Lower.
Fabrication Considerations	Requires care to protect the paint film during cutting, bending, etc., to avoid damage that can become a corrosion starting point.	Good formability. However, cut edges and areas where coating is removed require touch-up protection (e.g., zinc-rich paint).
Main Applications	1. Architectural Cladding: Roof & wall panels (primary market). 2. Appliance Housings: Refrigerators, washing machines, etc. 3. Interior Decoration: Partitions, ceilings, furniture. 4. Others: Transportation bodies, signage. (Where appearance and long-term protection are key)	1. Substrate for color coating. 2. Structural Components: Ductwork, cable trays, automotive internal parts. 3. General Corrosion Applications: Storage racks, machine guards, agricultural bins. 4. Parts for post-fabrication painting.

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Pre-Painted Galvanized Iron Steel Coils