Products Description
PPGI is pre-painted PPGI/PPGL Coils and Sheets, galvanized steel, also known as pre-coated steel, color coated steel, etc.
Using Hot Dip Galvanized Steel Coil as the substrate, PPGI is made by first going through surface pretreatment, then the coating of one or more layers of liquid coating by roll coating, and finally baking and cooling. The coatings used include polyester, silicon-modified polyester, high durability, corrosion resistance, and formability.
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Different Type of Substrate
Galvanized steel, PPGI, is coated completely with zinc, while Galvalume steel, PPGL, is coated with aluminum, zinc, and a small amount of silicone. This provides superior corrosion resistance and durability over the typical galvanized coating. This is the biggest difference between PPGI steel and PPGL, which is the reason for the differences in many features such as weight, product life, appearance, price, and applications.
Specifications Table
|
Product name |
PPGL |
|
Grade |
SGLCC, DX51D + AZ |
|
Types |
Commercial / Drawing / Deep Drawing / Structural |
|
Type of coating |
Galvalume (Alum-zinc) |
|
Surface treatment |
Chromated / oiled/ dry/ anti-fingerprint / skinpassed |
|
Based metal |
Cold rolled steel
|
|
Coil ID |
508mm or 610mm |
|
MOQ |
25 Metric Tons |
|
Supply capacity |
20000MT per month |
|
Package |
Standard exporting package (Water proof papers + galvanized iron sheet + metal strips + Inner protective steel ring + Outer protective steel ring) |
|
Price terms |
FOB,CFR,CIF |
|
Payment terms |
30%TT in advance+70% TT balance or irrevocable 100%L/C at sight
|
|
Delivery time |
7~15 days after recepit of 30% TT |

PPGI PPGL Coils
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Typical PPGI & PPGL Configurations by Application
| Application | Recommended Supply | Coating | Thickness Range | Notes |
| Industrial Roofing | PPGL sheet / coil | AZ100–AZ150 | 0.40–0.60mm | Long-term corrosion resistance |
| Residential Roofing | PPGI sheet | Z80–Z120 | 0.30–0.45mm | Cost-effective solution |
| Wall Cladding | PPGI | PE / SMP | 0.35–0.50mm | Wide color options |
| Solar Structures | PPGL | AZ150 | ≥0.45mm | Heat and weather durability |
| Warehouses & Factories | PPGL coated plate | AZ100+ | 0.45–0.60mm | Structural stability |
This configuration guidance helps buyers select suitable PPGI or PPGL steel supply based on real application needs.

PPGI PPGL Sheets
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Technical Specifications – PPGI & PPGL
| Property | PPGI | PPGL |
|---|---|---|
| Substrate | Galvanized Steel (GI) | Galvalume Steel (GL) |
| Top Coating | PE / SMP / PVDF | PE / SMP / PVDF |
| Coating Thickness | 10–35μm | 10–35μm |
| Zinc/Al-Zn Coating | Z30–Z275 | AZ30–AZ150 |
| Width Range | 600–1250mm | 600–1250mm |
| Standard | ASTM / JIS / EN | ASTM / JIS / EN |
GNEE
Gnee (Tianjin) Multinational Trade Co., Ltd. is one of the leading exporters of steel products in China, with many years of export experience in the industry, you can discuss your purchasing requirements with us, our experienced sales team serves more than 120 major customers in more than 40 countries.
We are located in Anyang City, Henan Province with convenient transportation.
We also welcome OEM and ODM orders.
We are willing to provide quality goods and services from China to more friends around the world. We firmly believe that honesty, mutual benefit and win-win is the long-term basis of our cooperation.


FAQ
Q: How to buy it? What about the delivery?
A: Please contact me by email or online, let me know your situation, I will give you professional solution. We have shipping agent can choosing the cheapest and fastest delivery. FOB, CIF, C&F or EXW are no problem for us.
Q: Could you offer some spare parts?
A: Yes, no problem.
Q: What about the maintenance?
A: All the goods past the test, maintenance is very easy.
Q: What is the standard of package?
A: Export standard package or special package according to customer's requirement.
Q: Why should I choose GNEE?
A: After comparing the quality, delivery, and price of the same products, you will find out the answer.
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