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Pre-painted galvanized steel coil (PPGI), also known as pre-coated or color-coated steel, is a steel coil coated with a layer of zinc to provide anodic protection, significantly extending its service life. PPGI is widely used in various industries due to its durability and aesthetic appeal, offering consistent color, texture, and performance at a competitive ppgi coil price.
| Standard | ASTM / JIS / DIN / GB / GOST / EN |
| Grade | - Base Steel Grade (Galvanized): ASTM A653 CS Type B, JIS SGCC, GB DX51D, EN DX51D |
| Material | - Carbon Steel: The substrate is a galvanized steel coil (e.g., SGCC, DX51D) with a painted/coated surface. Common coatings include Polyester (PE), Silicon Modified Polyester (SMP), and Polyvinylidene Fluoride (PVDF). |
| Sizes | Thickness: 0.2-1.5mm |
| Width: 600-1250mm |
Wide range of colors and finishes eliminates painting.
Combined protection from coating and paint film.
Pre-painted galvanized steel coil, commonly known as PPGI steel coil, is a versatile and high-performance building material that combines the strength of steel with the beauty of color coatings. One of its most remarkable advantages is its superior corrosion resistance. The galvanized layer protects the steel from rust and oxidation, while the additional paint coating forms a second barrier against environmental elements like moisture, chemicals, and UV radiation. This dual protection ensures excellent durability, even in harsh outdoor conditions, making PPGI coils ideal for roofing, wall panels, and other exposed applications.
Another major benefit of PPGI coils is their aesthetic appeal and design flexibility. Available in a wide range of colors, textures, and finishes, they allow architects and designers to create visually striking and modern structures. Whether you prefer a glossy, matte, or metallic look, pre-painted steel coil can meet diverse style preferences without compromising performance. The pre-painting process also ensures a uniform, smooth, and long-lasting color finish that resists fading, peeling, and chalking over time — keeping buildings looking fresh for years.
In addition to aesthetics, PPGI coils offer excellent formability and easy processing. Thanks to their high-quality coating and consistent surface, they can be easily cut, bent, or roll-formed into various shapes without cracking or losing adhesion. This makes them ideal for use in a wide range of industries, from construction and automotive to home appliances and furniture manufacturing. Their lightweight nature also simplifies handling and installation, helping reduce labor costs and construction time.
Finally, pre-painted galvanized steel coils are known for their eco-friendliness and cost efficiency. The pre-painting process minimizes waste and eliminates the need for on-site painting, reducing environmental pollution. Their long lifespan and minimal maintenance requirements further contribute to lower long-term costs. In short, PPGI coils combine strength, beauty, and sustainability — offering a smart, durable, and stylish solution for modern industrial and architectural applications.
1. Architectural Panels: Residential and commercial building facades.
2. Consumer Goods: Home appliance cabinets and interior decor.
