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Custom RAL Colors – Standard and customized colors available for different markets.
Zinc Coated Base – Galvanized substrate improves anti-rust and forming performance.
Multiple Paint Systems – PE, SMP, HDP and PVDF coatings for different applications.
Export Ready Supply – MTC, inspection support, seaworthy packing, FOB, CIF and CFR available.
Prepainted galvanized steel coil, commonly called PPGI coil, is one of the most widely used coated steel materials in the construction industry. It is produced by applying primer and color paint onto galvanized steel coil through a continuous color coating line.
The galvanized substrate provides zinc coating protection, while the paint layer gives the coil an attractive color surface and additional weather resistance. This makes PPGI suitable for roofing sheets, wall panels, sandwich panels, garage doors, ceilings, steel structures and many building material products.
Henan GDD supplies prepainted galvanized steel coils in different thicknesses, widths, zinc coating weights, paint systems, RAL colors and surface finishes. We support roofing sheet factories, construction material suppliers, sandwich panel manufacturers, steel distributors and global project buyers.
| Item | Specification |
|---|---|
| Product Name | PPGI Coil / Prepainted Galvanized Steel Coil |
| Base Material | Galvanized Steel Coil / Zinc Coated Steel Coil |
| Steel Grade | DX51D, DX52D, DX53D, SGCC, SGCH, S280GD, S350GD, Q195, Q235 or Customized |
| Standard | ASTM, JIS, EN, GB or Customized |
| Thickness | 0.12 mm – 1.20 mm or Customized |
| Width | 600 mm – 1250 mm or Customized |
| Zinc Coating | Z30 – Z275 or Customized |
| Paint Type | PE, SMP, HDP, PVDF |
| Top Paint Thickness | 10 μm – 35 μm |
| Back Paint Thickness | 5 μm – 25 μm |
| Color | RAL Color / Customized Color |
| Surface Finish | Glossy, Matte, Wrinkled, Embossed, Printed |
| Coil ID | 508 mm / 610 mm |
| Coil Weight | 3 – 8 MT or Customized |
| Processing Service | Slitting, Cutting, Protective Film, Roll Forming Support |
| Application | Roofing Sheet, Wall Panel, Sandwich Panel, Ceiling, Door, Prefabricated Building |
| Packing | Standard Export Seaworthy Coil Packing |
| Trade Terms | FOB, CFR, CIF, EXW |
Prepainted galvanized steel coil is a color coated steel product made from galvanized steel substrate. The production process usually includes surface cleaning, chemical pretreatment, primer coating, top paint coating and baking.
The zinc coating helps protect the steel base from rust, while the paint coating provides color, decoration and extra weather protection. Because of this combination, prepainted galvanized steel coil is widely used as raw material for roofing sheets, wall cladding, sandwich panels and construction products.
PPGI is easy to process by slitting, cutting, corrugating, roll forming and pressing. It is a practical material for factories that produce roofing panels, wall panels, garage doors, ceilings and building accessories.
Regular PPGI coil is usually supplied with PE coating and standard RAL colors. It is suitable for roofing sheets, wall panels, ceilings, doors and general construction materials.
Matte PPGI coil has a low-gloss surface and a more premium appearance. It is often used for roofing panels, wall cladding and architectural products where strong reflection is not preferred.
Wrinkled PPGI coil has a textured paint surface. It provides a special decorative effect and is widely used for roofing sheets, wall panels, garage doors and building materials for retail markets.
Embossed PPGI coil has a patterned surface created by embossing. It can be used for decorative wall panels, ceiling panels, doors and interior or exterior building materials.
Printed PPGI coil can be supplied with wood grain, brick pattern, marble pattern, camouflage pattern or customized designs. It is suitable for decorative panels, wall systems, doors and special construction material markets.
Prepainted galvanized steel coil is mainly used in construction material production. It can be roll-formed into corrugated roofing sheets, metal roof tiles, wall panels and building cladding systems.
For sandwich panel production, PPGI is often used as the surface material for EPS, PU, PIR and rock wool sandwich panels. It provides a colorful, protective and easy-to-clean outer surface.
PPGI coil is also used for garage doors, rolling shutters, ceiling panels, container houses, modular houses, warehouses, factories, steel structures, agricultural buildings and prefabricated buildings.
In appliance and light industrial applications, prepainted galvanized steel coil can be used for panels, cabinets, enclosures and other products requiring color surface and corrosion protection.
The galvanized steel base provides zinc coating protection, helping improve anti-rust performance compared with ordinary carbon steel coil.
PPGI coil can be supplied in standard RAL colors or customized colors. Glossy, matte, wrinkled, embossed and printed finishes can meet different market demands.
Prepainted galvanized steel coil has good processing performance and can be slit, cut, corrugated, roll-formed and pressed into roofing sheets and wall panels.
PE, SMP, HDP and PVDF paint systems can be selected according to project budget, climate condition, service life requirement and color retention needs.
PPGI provides a practical balance of price, color appearance, corrosion resistance and processing performance for roofing and wall panel production.
PPGI is widely used in global construction markets and is suitable for distributors, roofing sheet factories, panel manufacturers and project buyers.
PE coating is the most commonly used and cost-effective paint system. It offers good adhesion, rich color options and practical outdoor performance for general roofing and wall panel applications.
SMP coating provides better weather resistance and color retention than standard PE coating. It is suitable for outdoor construction products requiring longer service life.
HDP coating offers higher durability and better UV resistance. It is suitable for high-quality roofing sheets, wall panels and building products used in stronger sunlight environments.
PVDF coating provides excellent weather resistance, corrosion resistance and color stability. It is recommended for high-end buildings, coastal areas, industrial environments and long-life construction projects.
PPGI coil uses galvanized steel as the base material, while PPGL coil uses galvalume steel as the base material. Both are prepainted steel coils used for roofing, wall panels and construction materials.
PPGI is widely used because it is cost-effective, easy to process and suitable for many general building applications. PPGL usually offers better heat reflectivity and long-term corrosion resistance because of its Al-Zn coated substrate.
For general roofing sheet and wall panel production, prepainted galvanized steel coil is a practical and economical choice. For projects requiring better heat reflection or stronger outdoor durability, PPGL may also be considered.
Henan GDD can supply prepainted galvanized steel coils in standard RAL colors and customized colors based on customer samples. Common colors include white, red, blue, green, gray, black, cream and local market colors.
Surface finishes include glossy, matte, wrinkled, embossed and printed surfaces. Protective film can also be applied if customers need extra surface protection during roll forming, handling or installation.
For roofing sheet factories and construction material distributors, stable color, coating adhesion, paint thickness and surface consistency are important for final product quality.
Henan GDD is a reliable steel material supplier with experience in coated steel coil supply, processing, inspection, packing and export service. We provide prepainted galvanized steel coil solutions for roofing sheet factories, sandwich panel manufacturers, construction material suppliers, steel distributors and global project buyers.
We support custom RAL colors, zinc coating selection, multiple paint systems, flexible coil weight, export packing, inspection documents and international shipment. From quotation to production, inspection, packing and loading, our team can provide one-stop export support for your PPGI coil orders.
Before shipment, Henan GDD can arrange inspection according to customer requirements. Inspection items may include steel thickness, coil width, zinc coating, paint thickness, color matching, gloss, surface condition, coating adhesion, coil weight, packing condition and shipping mark.
For project or factory orders, bending performance, color difference, surface defects, coating quality and third-party inspection can also be arranged according to buyer requirements.
MTC, quality documents, inspection photos, packing photos, loading photos and third-party inspection reports can be provided with shipment.
PPGI coils are packed with standard export seaworthy coil packing. Common packing includes waterproof paper, protective film, steel sheet cover, edge protection, steel strips, coil labels and outer protection.
Proper packing helps protect the painted surface during storage, handling and ocean transportation. Shipment can be arranged by container or other suitable logistics methods depending on coil size, order quantity and destination port.
Export documents such as commercial invoice, packing list, bill of lading, MTC and certificate of origin can be provided according to buyer requirements.
Prepainted galvanized steel coil is used for roofing sheets, wall panels, sandwich panels, garage doors, rolling shutters, ceilings, prefabricated buildings, modular houses and construction materials.
Yes. PPGI means prepainted galvanized iron or prepainted galvanized steel coil. It refers to galvanized steel coil with color paint coating.
Yes. Standard RAL colors and customized colors based on customer samples can be supplied.
Common paint systems include PE, SMP, HDP and PVDF. Different coating systems can be selected according to application environment and service life requirement.
Yes. PPGI coil is widely used as raw material for corrugated roofing sheets, metal roof tiles and wall panels.
Please provide thickness, width, zinc coating, paint type, color, surface finish, coil weight, quantity, destination port and trade terms.
Yes. MTC, quality documents, inspection photos, packing photos, loading photos and third-party inspection can be provided according to order requirements.
Looking for prepainted galvanized steel coil for roofing sheets, wall panels or construction material production?
Send us your required thickness, width, zinc coating, paint type, color, quantity and destination port. Henan GDD will provide a professional quotation and suitable shipping solution.