PPGI may sometimes be used as a general term for a range of metallic coated steels that have been pre-painted, but more often refers more precisely to pre-painted zinc coated steel.
PPGI Corrugated Steel Galvanised Roofing Sheets Specification
| Specification | Thickness | 0.12mm-6.0mm |
| Width | 600mm-1500mm,or custom | |
| Zinc coating | 40g/m2-600g/m2 | |
| Length | 1800-4000mm,or custom | |
| Painting | Top paint: 15-25um, Back paint:5-7um | |
| Color | Regular color: bright red, sea blue and white grey, or according to the Ral Number. | |
| Coil Weight | 2-8 Tons | |
| Standard | ASTM A653, JIS G3302, DX51D, SGCC | |
| Hardness | Soft hard (HRB60), medium hard (HRB60-85), full hard (HRB85-95) | |
| Surface Treatment | Regular spangle, chromated, unoiled, smooth | |
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