PPGI Coil Manufacturer & Supplier in China
Everesteel supplies prepainted galvanized steel coils and sheets for roofing sheets, wall cladding, garage doors, sandwich panels, industrial panels and selected home appliance applications. We support custom thickness, zinc coating, paint system, RAL color matching, slitting, cut-to-length sheets, samples and export packing.
- GI substrate with Z40–Z275 zinc coating
- PE, SMP, HDP and PVDF paint systems
- Glossy, matte, wrinkle, embossed and printed finishes
- Coil, slit coil and cut-to-length sheet supply
- RAL color matching and sample support
- MTC, inspection and export packing support
For basic material terminology, read what PPGI steel is. This page focuses on supply specifications, price factors, applications and purchasing details.
What PPGI Coil We Supply
Use this page as the main commercial page for PPGI coil, PPGI steel coil, prepainted galvanized steel coil and PPGI coil supplier searches.
Base Steel
Galvanized steel substrate with common zinc coating ranges from Z40 to Z275 g/m², depending on use environment and target service life.
Paint System
PE, SMP, HDP and PVDF coating systems for different durability, UV resistance, weather exposure and budget requirements.
Processing
Coil, slit coil and cut-to-length sheet support for roofing machines, panel production, garage door parts and industrial processing.
Export Support
Sample confirmation, RAL color matching, MTC, pre-shipment inspection support and export coil or sheet packing.
PPGI Coil Specifications & HS Code
Final PPGI specification should be confirmed by substrate, zinc coating weight, steel grade, paint system, color, width, thickness, forming method and service environment.
Country-specific customs codes can vary. Confirm with your local broker before import.
The substrate can be selected from galvanized steel coil according to zinc coating, grade and downstream processing requirements.
Quotation note: a useful inquiry should include thickness, width, zinc coating, paint system, RAL color, quantity and destination port.
| Product Name | PPGI Coil / Prepainted Galvanized Steel Coil / PPGI Steel Coil |
|---|---|
| Base Substrate | Galvanized steel coil (GI) Common zinc coating: Z40 – Z275 g/m² |
| Steel Grade | Commercial: DX51D, SGCC, CS-B Structural: S250GD, S350GD, S550GD |
| Thickness | 0.12mm – 2.0mm Popular gauges: 0.35mm, 0.40mm, 0.45mm, 0.50mm, 26 gauge, 28 gauge |
| Width | 600mm – 1250mm Common widths: 914mm, 1000mm, 1200mm, 1219mm, 1250mm |
| Coating Structure | Top coating: PE / SMP / HDP / PVDF Back coating: epoxy or back paint according to use |
| Surface Finish | Glossy, matte, wrinkle, embossed, printed, solid color, custom RAL color |
| Supply Form | Coil, slit coil, cut-to-length sheet and sample sheet |
| Standards | ASTM A755, JIS G3312, EN 10169, GB/T 12754 or agreed project standard |
| Quality Documents | MTC, commercial invoice, packing list, CO and inspection documents according to order requirement |
Key Factors That Affect PPGI Coil Price
PPGI coil price changes with steel substrate, zinc coating, paint system, surface finish, order quantity and freight. A low quote is useless if the zinc coating or paint film is under-specified.
Base Steel & Zinc Coating
Steel index movement and zinc coating weight are major cost drivers. Always specify the required zinc coating in g/m².
Paint System
PE, SMP, HDP and PVDF have different costs and service-life expectations. Do not compare prices without comparing coating systems.
Thickness & Width
Common sizes are easier to source. Non-standard gauges, narrow slitting or tight tolerances may add processing cost.
Color & Surface Finish
Standard RAL colors are easier to arrange. Custom color, matte, wrinkle, embossed and printed finishes need sample confirmation.
Order Quantity
Trial orders and mixed-color orders can have a higher unit cost because of setup, color change and minimum production requirements.
Delivery Terms
FOB, CFR and CIF prices are not the same. Compare quotes on the same Incoterms basis and destination port.
For a deeper breakdown, read the PPGI coil price guide, or send your specification for a current quotation.
PPGI Coil Applications in Construction and Industrial Panels
PPGI coils are commonly processed into roofing sheets, wall cladding, sandwich panels, garage doors, rain gutters and other formed metal panels.
Roofing Sheets and Wall Cladding
For corrugated roofing sheets, wall panels and building envelopes. See our PPGI roofing sheet page for roofing applications.
Sandwich Panels and Industrial Buildings
Used as surface skins for PU, EPS and rock wool panels, factory cladding, cold storage rooms and pre-engineered buildings.
Garage Doors and Door Panels
Wrinkle, matte, embossed, wood grain and printed finishes can be used for visible door panel surfaces where appearance consistency matters.
Home Appliance and Interior Panel Use
For higher appearance requirements, compare PPGI with PCM and VCM. Visit prepainted metal for home appliances for appliance panel material selection.
PPGI Coating Types: PE, SMP, HDP and PVDF
The paint system should be selected by service environment, UV exposure, corrosion risk, target lifespan and budget.
| Item | PE | SMP | HDP | PVDF |
|---|---|---|---|---|
| Cost Level | Economical | Medium | Medium-high | Premium |
| Weather Resistance | Standard | Better than PE | Good | Excellent |
| Typical Use | General roofing and indoor panels | Construction panels | Longer-life roofing and cladding | Coastal, high-UV or premium facades |
| Buyer Note | Good for cost-sensitive projects | Balanced option | Better outdoor durability | Higher cost, stronger durability |
Need details? Read the full pre-coated metal coating types guide.
PPGI vs PPGL: Which Should You Choose?
Both are pre-painted steel products. The main difference is the metallic coated substrate under the paint system.
| Factor | PPGI | PPGL |
|---|---|---|
| Substrate | Galvanized steel with zinc coating | Galvalume steel with aluminum-zinc alloy coating |
| Cost Level | Usually lower | Usually higher |
| Best Use | General roofing, cladding and panels in normal environments | Coastal, humid or higher corrosion-risk environments |
| Selection Note | Choose when cost and general performance are balanced | Choose when corrosion resistance is more important than lowest price |
Read the full PPGI vs PPGL comparison guide.
Why Source PPGI Coil from Everesteel
Everesteel supports PPGI buyers through long-term coating production resources, in-house slitting and cut-to-length processing, export experience and practical specification control.
Specification Matching
We help confirm zinc coating, paint system, steel grade, color, width, thickness and surface finish before quotation.
Processing Support
Slitting, cut-to-length sheets and sample sheets can be arranged for production trials and downstream processing.
Surface & Color Control
Color, gloss, surface defects, film thickness and batch consistency should be checked before shipment.
Export Packing
Coil and sheet packing with attention to moisture protection, edge protection, coil eye protection and container loading.
Sample Support
Sample confirmation is recommended before bulk production, especially for custom color, matte, wrinkle, embossed or printed finishes.
Documentation
MTC, packing list, commercial invoice, certificate of origin and inspection documents can be prepared according to order requirements.
Information Needed for a PPGI Coil Quote
A serious quotation needs more than the words “PPGI coil price”. Send the following details to avoid wrong material and fake price comparison.
- Steel thickness and tolerance requirement
- Coil width, slit width or sheet size
- PPGI zinc coating guide weight, such as Z40, Z80, Z120 or Z275
- Paint system: PE, SMP, HDP, PVDF or not sure yet
- RAL color, gloss, matte, wrinkle, embossed or printed finish
- Application: roofing, cladding, garage door, sandwich panel, appliance or other use
- Order quantity and trial order requirement
- Destination port and required Incoterms
- Packaging, inspection and document requirements
- Any required standard, such as ASTM A755, JIS G3312 or EN 10169
Frequently Asked Questions About PPGI Coil
What does PPGI mean?
PPGI means prepainted galvanized iron or prepainted galvanized steel. It is made by applying paint coating over a galvanized steel substrate.
What is the difference between PPGI and PPGL coil?
PPGI uses a galvanized zinc-coated substrate. PPGL uses a galvalume aluminum-zinc alloy coated substrate. PPGL usually offers stronger corrosion resistance in coastal or humid environments, while PPGI is often more economical for general applications.
What are common PPGI coil defects?
Common PPGI coil defects include color difference, scratches, paint peeling, poor adhesion, orange peel, pinholes, edge damage, coil shape problems and packing damage. These issues can affect roofing sheets, wall panels, door panels and other downstream products, so buyers should confirm surface quality, coating system, adhesion, thickness, width and packing before shipment. For more details, read our PPGI coil defects and inspection guide.
What affects PPGI coil price?
Price is affected by steel base price, zinc coating weight, paint system, thickness, width, color, surface finish, quantity, freight and inspection requirements.
Can PPGI coil be supplied as slit coil or sheet?
Yes. PPGI can be supplied as coil, slit coil, cut-to-length sheet or sample sheet according to width, length, surface protection and packing requirements.
What information should I send for a PPGI quotation?
Please send thickness, width, zinc coating, paint system, RAL color or surface finish, application, quantity, destination port and packaging requirements.
What export documents can be provided?
Common documents include MTC, commercial invoice, packing list, bill of lading, certificate of origin and inspection documents depending on the order and destination market.
Related PPGI Guides
Use these support pages for coating selection, price research and material comparison. Do not create duplicate PPGI supplier pages.
PPGI Coil Price Guide for Buyers
Understand the real cost drivers behind PPGI coil price, including zinc coating, paint system, thickness, surface finish, quantity and freight.
Read Price Guide →
PPGI Coating Types: PE, SMP, HDP and PVDF
Compare coating systems by cost, UV resistance, durability and suitable application before confirming your PPGI specification.
Read Coating Guide →
PPGI vs PPGL: Which Prepainted Steel Coil Should You Use?
Compare galvanized and galvalume substrates for corrosion resistance, cost level, climate suitability and roofing applications.
Read Comparison →Need a PPGI Coil Quote?
Send your thickness, width, zinc coating, paint system, RAL color, surface finish, quantity and destination port. We will help confirm the suitable PPGI specification before quotation.