Aoguan Thin Steel Group specializes in the production and sales of color-coated steel coils (PPGI and PPGL), focusing on integrated manufacturing and direct sales. As Wholesale Pre-Painted Galvanized Steel Coil For Roofing Manufacturers
and China Pre-Painted Galvanized Steel Coil For Roofing Factory, we serve markets in Southeast Asia, Africa, the Middle East, and South America. With headquarters in Chuan Sha, Shanghai, and factories in Zhejiang, Jiangsu, and Anhui, we are committed to delivering high-quality products to clients worldwide.
Our color-coated steel coils offer stunning hues and exceptional visual effects, creating endless market opportunities and potential for growth. With our commitment to quality and innovation, success is within reach, and we look forward to collaborating with partners from all sectors to build a brighter future together!
Technical Specifications
| Property | Details |
| Base Metal | Hot-Dip Galvanized Steel (GI) |
| Standard | JIS G3302, ASTM A653, EN10142 |
| Grade | SGCC, DX51D+Z, DX52D+Z |
| Thickness Range | 0.12mm - 1.5mm (0.25mm - 0.8mm most common for roofing) |
| Width Range | 600mm - 1250mm (standard: 914mm, 1000mm, 1200mm, 1250mm) |
| Zinc Coating (AZ/Zn) | 30g/m虏 - 275g/m虏 |
| Top Coat Type | PE, SMP, HDP, PVDF |
| Top Coat Thickness | 15碌m - 35碌m (Standard 20碌m) |
| Back Coat Type | Epoxy or Modified Polyester, 5碌m - 10碌m |
| Coil ID | 508mm / 610mm |
| Coil Weight | 3 - 8 Metric Tons |
Applications
This PPGI coil is a versatile solution for the building and construction industry. Its primary applications are focused on providing durable and aesthetically pleasing roofing and cladding systems.
- Industrial Roofing and Siding: Ideal for factories, warehouses, and workshops where durability and corrosion resistance are critical.
- Commercial Buildings: Used for retail centers, office buildings, and shopping malls, providing a modern and clean appearance.
- Agricultural Structures: Suitable for barns, storage sheds, and livestock buildings that require protection from the elements.
- Residential Roofing: A popular choice for new homes and renovation projects due to its lightweight nature, aesthetic variety, and longevity.
- Prefabricated Buildings: Essential material for modular and pre-engineered metal buildings (PEMBs).
- Roll-Formed Building Components: Used in the manufacturing of gutters, downspouts, and other architectural trim.
Key Advantages
- Superior Corrosion Protection: The combination of the zinc coating and the organic paint layer provides an excellent barrier against moisture, chemicals, and salt air, significantly extending the product's service life compared to uncoated steel.
- Excellent Weatherability and UV Resistance: High-quality topcoats, especially PVDF and HDP, are formulated to resist chalking, fading, and gloss loss, ensuring the building maintains its aesthetic appeal for decades.
- Outstanding Formability and Workability: The coating system is designed to be flexible, allowing the steel to be roll-formed, bent, and profiled without cracking or peeling, which is crucial for creating complex roof panel profiles.
- Aesthetic Versatility: Available in a wide spectrum of RAL colors and various finishes (glossy, matte, textured), enabling architects and builders to achieve their desired design.
- Cost-Effective and Low Maintenance: The long lifespan and reduced need for repainting or repairs make PPGI roofing a highly economical choice over the life of the building.
Payment & Shipping
We are a manufacturer offering factory-direct pricing with flexible terms to support your project needs.
- Payment Terms: 30% T/T in advance + 70% T/T against B/L copy, or Irrevocable L/C at sight.
- Trade Terms: FOB, CFR, and CIF.
- Packaging: Standard sea-worthy export packaging to ensure product integrity during transit. This typically includes an inner waterproof kraft paper layer, a middle plastic film layer, and an outer galvanized steel sheet covering, secured with steel strips.
- Shipping: Usually shipped in 20-foot or 40-foot containers. Delivery time is typically 30-45 days after order confirmation and receipt of deposit.
Frequently Asked Questions
- Q: What is the difference between PPGI and PPGL?
- A: PPGI uses galvanized steel (zinc-coated) as the substrate, while PPGL uses galvalume steel (aluminum-zinc alloy coated). PPGL generally offers better corrosion and heat resistance, making it suitable for more demanding environments.
- Q: How long will this roofing coil last?
- A: The lifespan depends on the coating type and environment. With a PVDF coating, the product can last over 25 years in normal conditions, with minimal color fade and gloss loss.
- Q: Can you produce coils in a custom RAL color?
- A: Yes. We support all RAL color codes and can also match samples provided by customers.










