PPGI Coil –
Prepainted Galvanized Steel Coil Supplier in China
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PPGI Coil Supplier in China | Prepainted Steel Coil | SKSTEEL
Prepainted Galvanized Coil, also called PPGI Steel Coil, PPGI coil, color coated galvanized steel coil, or prepainted GI coil, is made by applying primer and finish paint layers on galvanized steel coil substrate. It combines the corrosion resistance of zinc coating with decorative color, weather resistance, and good forming performance, and is widely used in roofing, wall panels, appliances, sandwich panels, doors, ceilings, and construction projects.
As a Prepainted Galvanized Coil and PPGI Steel Coil stockist and supplier, SKSTEEL supplies PPGI coil and prepainted galvanized sheet with full sizes available, multiple steel grades, stable zinc coating, RAL color options, different paint systems, mill test certificates, slitting and cut-to-length service, and fast delivery worldwide.
Types of PPGI Steel Coils Available from SKSTEEL
PPGI STEEL COIL SPECIFICATIONS
| Item | Description |
|---|---|
| Product | Prepainted Galvanized Coil / PPGI Steel Coil / PPGI Coil / Color Coated Galvanized Steel Coil |
| Standard | ASTM A755, EN10169, JIS G3312, GB/T 12754 or Customized |
| Base Steel | Galvanized Steel Coil / GI Coil |
| Steel Grade | DX51D, DX52D, SGCC, SGCD, SGC340, ASTM A653 CS Type A/B/C or Customized |
| Production Method | Color Coated on Galvanized Steel Substrate |
| Thickness | 0.12mm-4.0mm or Customized |
| Width | 600mm-1500mm or Customized |
| Zinc Coating | Z30-Z275, G30-G90 or Customized |
| Paint Type | PE, SMP, HDP, PVDF or Customized |
| Top Paint Thickness | 15-35 microns or Customized |
| Back Paint Thickness | 5-15 microns or Customized |
| Color | RAL Color, Wood Grain, Marble Pattern, Matt Finish or Customized |
| Surface | Glossy, Matt, Embossed, Textured or Customized |
| Coil Weight | 3-10MT or Customized |
| Processing | Slitting, Cut-to-Length, Leveling, Shearing Available |
| Packing | Standard Export Packing or Customized |
| Certificate | MTC EN10204 3.1 Available |
Chemical composition varies according to the selected galvanized base steel grade and standard. The following table is a common reference for carbon steel prepainted galvanized coil substrate materials.
| Element | Content (%) |
|---|---|
| C | According to steel grade requirement |
| Si | According to steel grade requirement |
| Mn | According to steel grade requirement |
| P | Controlled by applicable standard |
| S | Controlled by applicable standard |
| Property | Value |
|---|---|
| Yield Strength | According to grade and standard |
| Tensile Strength | According to grade and standard |
| Elongation | According to grade and standard |
| Formability | According to grade and application requirement |
| Paint Adhesion | Tested according to project or standard requirements |
| Coating Flexibility | According to paint system and application requirement |
| Color Difference | Controlled according to order and inspection requirements |
| Surface Quality | According to selected color, gloss, and surface finish |
Applications
SKSTEEL PPGI COIL ISPECTION
At SKSTEEL, quality inspection is an essential part of our PPGI coil sourcing and supply process. We coordinate quality inspections based on agreed specifications and applicable standards, covering steel thickness, coil width, zinc coating, paint coating, surface quality, color consistency, and packaging. Through inspection records and mill test certificates, we help international buyers verify product quality before shipment.
Challenges & Needs
Coating Peeling & Cracking
Color Inconsistency
Packaging Damage
Our Supply Solutions
SKSTEEL provides flexible PPGI coil sourcing solutions for steel distributors, roofing sheet manufacturers, sandwich panel producers, and construction material suppliers worldwide.
We help buyers source prepainted galvanized steel coils in different thicknesses, widths, RAL colors, zinc coating weights, and paint systems to meet specific project and processing requirements.
WHY CHOOSE SKSTEEL FOR PREPAINTED GALVANIZED COIL (PPGI )?
- Large Ready Stock
- Full Size Range Available
- Competitive Export Pricing
- Strict Quality Inspection & Verification
- Stable Zinc Coating Quality
- Mill Test Certificates Available
- Fast Global Delivery
- Professional Export Support
- Strict SGS/BV/TUV or world famous authority inspection on the cargo
Value-Added Services
Deep Pre-processing
Surface Enhancement
End-to-End Tracking
Smart Logistics
Collaboration with Sksteel
FAQ for ppgi coils
What is Prepainted Galvanized Coil?
Prepainted Galvanized Coil (PPGI) is a color coated steel coil made by applying primer and finish paint layers on galvanized steel coil substrate. It provides corrosion resistance, decorative appearance, and good forming performance.
What paint types can SKSTEEL supply for Prepainted Galvanized Coil?
SKSTEEL can supply PE, SMP, HDP, PVDF and other customized paint systems according to service environment, weather resistance requirement, and project budget.
What colors can SKSTEEL supply for Prepainted Galvanized Coil?
SKSTEEL can supply standard RAL colors, customized colors, matt finish, high gloss finish, wood grain, marble pattern, embossed surface, and other decorative finishes according to project requirements.
Can Prepainted Galvanized Coil be cut to sheet size?
Yes. SKSTEEL can provide slitting, leveling, shearing, and cut-to-length prepainted galvanized sheet service according to customer size and packing requirements.
What is the common paint thickness of Prepainted Galvanized Coil?
Common paint thickness includes 15-35 microns on the top side and 5-15 microns on the back side. Customized primer, top paint, back paint, and protective film can also be supplied.