Prepainted Galvanized Steel Coil – Strong galvanized base with durable color coating.
Custom RAL Colors – Glossy, matte, wrinkled, embossed, and printed finishes available.
Multiple Paint Systems – PE, SMP, HDP, and PVDF coating options for different applications.
Flexible Specifications – Thickness, width, zinc coating, and coil weight can be customized.
Wide Applications – Ideal for roofing sheets, wall panels, ceilings, doors, and appliances.
Quality Inspection Support – MTC, coating test, color inspection, and third-party inspection available.
Export Ready Supply – FOB, CIF, CFR, EXW, and customized shipment solutions accepted.
PPGI, short for prepainted galvanized steel coil, is a color coated steel product made by applying organic paint coating onto galvanized steel substrate. It combines the strength and formability of steel, the corrosion resistance of zinc coating, and the decorative performance of color paint.
With excellent weather resistance, smooth surface quality, easy processing, and rich color options, PPGI is widely used in roofing sheets, wall cladding, sandwich panels, ceiling panels, doors, home appliances, steel structures, and general construction materials.
Henan GDD supplies high-quality PPGI coils with customizable thickness, width, zinc coating, paint type, color, surface finish, and coil weight. We support bulk orders, project procurement, steel distributors, roofing sheet factories, and construction material manufacturers worldwide.
| Item | Specification |
|---|---|
| Product Name | PPGI / Prepainted Galvanized Steel Coil |
| Base Material | Hot-dip Galvanized Steel Coil |
| Steel Grade | DX51D, DX52D, 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 |
| 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 |
| Application | Roofing Sheet, Wall Panel, Ceiling, Door, Appliance, Construction Material |
| Packing | Standard Export Seaworthy Packing |
| Trade Terms | FOB, CFR, CIF, EXW |
PPGI is a steel coil product produced through continuous color coating lines. The galvanized steel substrate is first cleaned and chemically treated, then coated with primer and top paint, and finally baked at high temperature to form a stable, durable, and colorful surface.
Compared with ordinary galvanized steel, PPGI provides better appearance, richer color selection, and improved protection for outdoor and indoor applications. It can be directly processed into corrugated roofing sheets, wall panels, sandwich panels, garage doors, ceiling panels, and other building materials.
| Paint Type | Features | Common Applications |
|---|---|---|
| PE | Economical, good adhesion, rich color options | General roofing, wall panels, indoor construction |
| SMP | Better durability and weather resistance than PE | Outdoor roofing, industrial buildings |
| HDP | High durability, strong UV resistance | Long-life roofing and exterior wall cladding |
| PVDF | Excellent corrosion resistance, color retention, and weatherability | High-end buildings, coastal areas, harsh environments |
PPGI coils can be supplied with different surface effects according to market demand and product positioning.
| Surface Finish | Description |
|---|---|
| Glossy Surface | Bright and smooth color appearance |
| Matte Surface | Soft visual effect with lower reflection |
| Wrinkled Surface | Textured coating for decorative roofing and wall panels |
| Embossed Surface | Patterned surface with better decorative effect |
| Printed Surface | Wood grain, brick pattern, camouflage, grass pattern, or customized design |
PPGI is one of the most commonly used raw materials in modern construction and light industrial manufacturing.
| Application Area | Typical Products |
|---|---|
| Roofing Materials | Corrugated roofing sheet, roof tile, metal roofing panel |
| Wall Cladding | Exterior wall panel, interior wall panel, partition board |
| Sandwich Panel | EPS, PU, rock wool sandwich panel surface material |
| Ceiling System | Metal ceiling panel, decorative ceiling board |
| Door Industry | Garage door, rolling shutter door, steel door |
| Home Appliances | Refrigerator panel, washing machine panel, appliance shell |
| Steel Structure | Prefabricated house, warehouse, factory building |
| Decoration | Printed panel, color steel decoration sheet |
The galvanized steel substrate provides strong zinc protection, while the color coating adds an additional barrier against moisture, air, and chemical corrosion.
PPGI can be produced in standard RAL colors or customized colors according to customer samples, project requirements, or local market preferences.
PPGI coils can be cut, rolled, bent, pressed, and formed into roofing sheets, wall panels, doors, and other finished products.
Different gloss levels, textures, and printed patterns are available to meet both functional and decorative requirements.
Compared with many traditional building materials, PPGI is lightweight, easy to install, convenient for transportation, and suitable for large-scale production.
PPGI is widely used by roofing sheet factories, steel distributors, building material suppliers, and industrial manufacturers because of its stable quality and high processing efficiency.
Henan GDD is a professional steel material supplier with experience in steel coil supply, processing, warehousing, inspection, and export service. We provide stable PPGI supply for global buyers, construction material factories, roofing sheet manufacturers, steel distributors, and engineering projects.
| Advantage | Description |
|---|---|
| Stable Steel Supply | Support regular stock and customized production |
| Custom Specifications | Thickness, width, coating, color, and coil weight can be customized |
| Multiple Paint Systems | PE, SMP, HDP, PVDF available |
| Wide Color Range | RAL colors and customized sample colors supported |
| Quality Control | Thickness, coating, color, surface, and packing inspection |
| Export Experience | Support international shipping and export documents |
| Flexible Trade Terms | FOB, CFR, CIF, EXW accepted |
Before shipment, Henan GDD can arrange product inspection according to order requirements.
| Inspection Item | Details |
|---|---|
| Thickness Inspection | Steel thickness and coating thickness check |
| Width Inspection | Coil width and tolerance inspection |
| Zinc Coating Test | Zinc coating weight confirmation |
| Paint Coating Test | Top paint and back paint thickness test |
| Color Inspection | RAL color or sample color matching |
| Surface Inspection | Scratches, color difference, stains, dents, and defects |
| Packing Inspection | Coil protection, waterproof packing, label, and shipping mark |
| Certificate | MTC and quality documents available |
PPGI coils are packed with export standard seaworthy packing to protect the product during long-distance transportation.
| Item | Details |
|---|---|
| Inner Packing | Waterproof paper and protective film |
| Outer Packing | Steel sheet cover and steel strip reinforcement |
| Coil Protection | Edge protector and side protection |
| Shipping Mark | Size, grade, color, weight, coil number if required |
| Loading Method | Container or bulk shipment |
| Documents | Commercial Invoice, Packing List, Bill of Lading, MTC, COO if required |
Galvanized steel is coated with zinc, while PPGI is galvanized steel further coated with color paint. PPGI has better decorative appearance and additional surface protection.
Yes. Standard RAL colors and customized colors based on customer samples are available.
PE is suitable for general use. SMP and HDP are better for outdoor durability. PVDF is recommended for high-end buildings, coastal areas, and harsh environments.
Yes. PPGI is widely used as raw material for corrugated roofing sheets, metal roof tiles, wall panels, and sandwich panels.
Please provide thickness, width, zinc coating, paint type, color, quantity, coil weight, destination port, and trade terms.
Yes. MTC, quality inspection reports, packing photos, and third-party inspection can be provided according to order requirements.
Yes. Wood grain, brick pattern, camouflage, grass pattern, and other customized printed designs can be supplied.
Looking for reliable PPGI coils for roofing, wall panels, doors, or construction materials?
Send us your required thickness, width, color, zinc coating, paint type, quantity, and destination port. Henan GDD will provide a professional quotation and suitable shipping solution.
