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Our sheets feature high-adhesion PE/PVDF coatings, superior weather resistance, and precise corrugated profiles, delivering consistent performance in cutting, bending, and long-term outdoor applications. Customized colors, coating thicknesses, and sheet dimensions are available to meet diverse construction requirements.
| Coating | Z41 ~ Z60 |
| Grade | SGCC/SGCH G550 DX51D DX52D |
| Tolerance | ±1% |
| Hardness | Mid Hard |
| Processing Service | Cutting |
| Surface | galvanized coating |
| Standard | AiSi, ASTM, bs, DIN, GB, JIS |
| Surface Treatment | chromated,passivation treatment,oiling |
| Material | ASTM/AISI |
Reliable quality. Flexible order quantities.
As a manufacturer, we provide consistent quality and responsive support for every order.
Large or small, we treat each inquiry with the same attention.
Send us your requirements and receive a quick quotation.
Quality Control for PE/PVDF Coated PPGI Corrugated Roofing Sheet
Tianjin Guoyu Steel enforces stringent quality control across the full production cycle of PE/PVDF coated PPGI corrugated roofing sheets, from raw material sourcing to final delivery.
In-Process Inspection
Key forming parameters (corrugated profile accuracy, sheet flatness, dimension tolerance, coating thickness uniformity) are continuously monitored, with real-time adjustments to meet industrial coating standards and customer specs.Final Inspection & Documentation
Each batch undergoes a comprehensive check of coating hardness, color consistency, corrugation uniformity, and surface defect rate before shipment. Mill Test Certificates (MTC) and detailed inspection reports are available on request.
