prepainted galvanized steel coil
Product Introduction
Prepainted galvanized steel coils are high-quality steel products widely used in construction, appliances, and industrial applications. These coils are made by coating galvanized steel with a layer of paint or polymer, providing enhanced durability, aesthetic appeal, and corrosion resistance.
After surface pretreatment (chemical degreasing and chemical conversion treatment), one or more layers of organic coatings are coated on the surface, and then baked and cured. It is named after colored steel coil coated with organic coatings of different colors,.which is referred to as color coated coil for short.
Production Process
Product specification
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Specification |
As your requirement |
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Thickness |
0.14mm~1.2mm |
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Width |
800-1250mm |
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Length |
In coil |
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Tolerance |
±1% |
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Grade |
S280GD+Z,SGCC,DX51D+Z |
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Standards |
ASTM A792M,EN10327 |
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Surface Treatment |
zinc coated Z180， Z275 |
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Packaging |
Standard exporting packing or as client's requirement |
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Certificate |
EN 10204 3.1, EN 10204 3.2,BV,ISO9001:2008 and Mill test Certificate |
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The above are the general items, for the special types, we can also meet your needs. |
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Types of Paint Coatings and Applications
| Coating Type | Thickness | Durability | Applications | Advantages |
| Polyester (PE) | 15 μm – 25 μm | 10-15 years | Roofing, wall cladding, general-purpose use. | Cost-effective, wide color range, good flexibility. |
| Siliconized Polyester (SMP) | 20 μm – 25 μm | 15-20 years | Outdoor applications (roofing, cladding). | Enhanced weather resistance, better color retention. |
| Polyvinylidene Fluoride (PVDF) | 20 μm – 30 μm | 20-30 years | High-end architectural projects, coastal areas, industrial environments. | Superior durability, color retention, Resistance to fading. |
Color reference map
Key features
Packing & Delivery
FAQ
Q1:What is the minimum order quantity (MOQ)?
A1: The MOQ is 1 roll (typically 6-8 tons). We can accommodate small orders to meet your needs.
Q2: Can I request custom colors or finishes?
A2: Yes, we provide customization options for colors, finishes (glossy, matte, textured), and patterns to meet your specific requirements.
Q3：What are the applications of the coils?
A3: These coils are widely used in:
Construction (roofing, wall cladding)
Appliances (refrigerators, washing machines)
Automotive parts
Industrial equipment and storage solutions.
Q4: Is the material environmentally friendly?
A4: Yes, the materials are recyclable and support sustainable construction practices.
Q5: What is the lifespan of Color coated steel coils?
A5: With proper maintenance, these coils can last for decades, thanks to their corrosion-resistant zinc coating and protective paint layers.