PPGI yog cov lus luv rau prepainted galvanized steel, nws siv galvanized li substrate.Tom qab cov txheej txheem degreasing (tshwj xeeb degreasing thiab tshuaj hloov pauv tshuaj), qhov chaw coated nrog ib txheej lossis ob peb txheej txheej, los ntawm ci thiab kho, tom qab ntawd dhau los ua PPGI.
Cov xim pleev xim uas peb tuaj yeem ua 10-30microns.Qhov siab dua cov xim zaj duab xis, lub neej ntev ntawm cov xim.
Cov khoom siv pleev xim yog PE, SMP, HDP, PVDF, ects.