PPGI steel is produced based on galvanized steel or galvanum steel or cold rolled steel.The base metal(GI,GL OR CRC) steel should be cleaned firstly.it's included surface chemical-degreasing and chemical-conversion treatment.After cleaned,organic painting material will be coated.the organic material can be PE,PVDF,HDP,or SMP.this coating process is very important.it's the most important for PPGI's color,include bright intensity.prepainted galvanized steel,blue color steelStandardJIS, G3312， GB/T1275thickness0.12-1.5mmwidth1000mm/1220mmweight3.5MT,or as your needSurface treatment:passivity, Oiling, The seal, Phosphate, Not handlePainting materials’difference for PPGI or PPGLPainting materialHardnessT-bendingCorrosion resistanceWeatherabilityCostCoating thickness/umPEexcellentgoodgoodgoodexcellent20SMPgoodnormalgoodexcellentgood20PVDFnormalexcellentexcellentexcellentNo-good25HDPgoodexcellentgoodexcellentgood20