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PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., typically with a hot dip zinc coated steel substrate.
The term is an extension of GI which is a traditional abbreviation for Galvanized Iron. Today the term GI typically refers to essentially pure zinc (>99%) continuously hot dip coated steel, as opposed to batch dip processes. PPGI refers to factory pre-painted zinc coated steel, where the steel is painted before forming, as opposed to post painting which occurs after forming.
Commodity | PPGI/PPGL |
Standard | JIS G3302, JIS G3313, ASTM A653, GB/T2518-88, GB11253-89, BS, ect. |
Grade | SGCC, CGCC, SGCD, SPCC, DX51D, DX52D, DX53D |
Thickness | 0.15mm-1.2mm |
Width | 600-1250mm(coils); 30mm-700mm(strip) |
Coil ID | 508mm/610mm |
Coil Weight | 1.5-6tons |
Zinc Coating | Z20-Z270g/m² |
Color | sea blue, white grey, bright red or according to RAL color system |
Thickness of coating | Top coating:12-25 microns; back coating:5-8microns |
Technique | Cold rolled/ galvanized steel coil, galvalume steel coil |
Surface Production | PE, PVDF, SMP, HDP, ect. |
Application | Roofing, Corrugated Roofing Making, Outside of the buildings, Structure, Wall, Deep Drawn, etc. |
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