PPGL Strip
We are a manufacturer specializing in PPGL steel. With our extensive range of processing equipment, we can supply not only PPGL steel coils but also PPGL steel strips, PPGL flat sheets, and PPGL corrugated sheets. Please feel free to contact us with any inquiries.
- Thickness: 0.12–1.5 mm
- Length: Cut according to demand
- Material: DX51D+AZ, DX52D+AZ, DX53D+AZ, S220GD+AZ, S350GD+AZ, S550GD+AZ, CGCC-AZ, CS-B, etc.
Ensure product quality and transportation
PPGL is an abbreviation for Pre-painted Galvalume Steel. PPGL steel strip is made by slitting PPGL steel coils into strips of a specific width using a slitting machine, which facilitates customers to perform deep processing such as stamping, bending, and welding.
Key Product Specifications
| Product Name | PPGL Strip |
| Thickness | 0.12–1.5 mm |
| Width | 300 mm, 400 mm, 500 mm, 600 mm, 750 mm, 800 mm, 900 mm, 914 mm or as per your requirements |
| Length | Cut according to demand |
| Aluminum-Zinc Plating Amount | AZ30 – AZ150 g/㎡ |
| Substrate | GL Coil |
| Material | DX51D+AZ, DX52D+AZ, DX53D+AZ, S220GD+AZ, S350GD+AZ, S550GD+AZ, CGCC-AZ, CS-B, etc. |
| Standard | GB, EN, JIS, ASTM, DIN |
| Paint Type | PE, SMP, HDP, PVDF |
| Color | RAL color chart/customization |
| Inner Diameter | 508mm (20 inches) or 610mm (24 inches) |
| Coil Weight | According to customer requirements |
| MOQ | 10 tons |
| Packaging | Standard export packaging (plastic film, moisture-proof paper, and galvanized iron sheet) |
Substrate Composition and Coating Structure
Substrate Composition
The substrate for PPGL steel strips is hot-dip galvanized-aluminum steel coil (GL Coil), with a coating alloy composed of 55% aluminum, 43.4% zinc, and 1.6% silicon. This aluminum-zinc-silicon alloy coating combines the chemical passivation properties of aluminum with the sacrificial anode protection of zinc, providing a dual corrosion-resistant barrier for the steel substrate.
Coating Structure
PPGL steel strip features a multi-layer coating structure, arranged from outer to inner as follows: Topcoat → Primer (Primer) → Chemical pretreatment film → Aluminum-zinc alloy coating → Steel substrate → Aluminum-zinc alloy coating (back) → Pretreatment film → Primer (back) → Backcoat. We employ a “two-coat, two-bake” process, in which primer and topcoat are applied to both the front and back surfaces of the substrate and cured separately through baking.
Production Video
Applications of PPGL Steel Strips
PPGL steel coils offer excellent corrosion resistance, good formability, rich decorative properties, and superior high-temperature resistance and heat-reflective performance. They are commonly used in the following fields:
- Construction: Steel structural purlins, C/Z-shaped steel sections, roll-up doors, garage doors, photovoltaic mounting brackets, ventilation ducts, spiral ducts, etc.
- Home Appliance Casing: Side panels/top panels/bases for outdoor air conditioner units; side panels/back panels/door frame trim for refrigerators; washing machine side panels; water heater casings, etc.
- Shelving/Warehouse and Logistics Equipment: Supermarket shelf shelves, warehouse shelving beams, tool cabinets, and the casings and side panels of filing cabinets, etc.
Selection Recommendations
- Operating Environment: For coastal areas and industrial pollution zones, we recommend using highly weather-resistant coatings (such as HDP or PVDF); for general inland environments, a polyester (PE) coating is sufficient to meet requirements.
- Corrosion Resistance Requirements: Aluminum-zinc coating weights ranging from AZ50 to AZ150 are available; the more severe the corrosive environment, the higher the coating weight recommended.
- Processing Methods: For deep drawing or complex forming operations, we recommend selecting soft or semi-hard base materials.
- Color and Appearance: Select RAL color codes according to architectural design requirements. Please confirm in advance if special textures or prints are required.
Our Case
Peruvian Client Procures 280 Tons of PPGL Coils
- Substrate and Coating: DX51D + AZ50
- Surface Treatment: Regular gloss
- Total Weight: 280 tons

1200-Ton PPGL Coil Project with Iranian Client
- Color: RAL7035, RAL5010
- Material: DX51D+AZ80
- Quantity: 0.8mm 900 tons, 0.5mm 300 tons

Our Testing
Our PPGL steel strips undergo multiple quality inspection procedures during production to ensure products meet international standards. The required tests are as follows:
- Physical Property Testing: Tensile testing, bending testing, and punching testing.
- Coating Performance Testing: Coating adhesion, MEK wipe resistance, and pencil hardness.
- Corrosion Resistance Testing: Neutral salt spray testing.
- Color Difference and Appearance Inspection: Color difference meter testing, gloss testing, and online surface defect detection.

Our Certifications
We have obtained certifications including ISO 9001, ISO 14001, ISO 45001, CE, and SGS.

Conclusion
We are a professional manufacturer of color-coated steel coils in China with over 15 years of experience. Our factory is located in Binzhou City, Shandong Province. We have always operated with integrity and have successfully exported our products to over 120 countries. If you would like to visit our factory, please feel free to contact us. If you have any questions about our products, we can also provide samples.











