Uamea coil ppgl o se acronym mo prepainted galvalume uamea, e faaaogaina uʻamea uamea ufiufi uamea e fai ma substrate.A maeʻa le faʻamaʻiina muamua (faʻamaʻi vailaʻau ma togafitiga faʻasolosolo vailaʻau), o le pito i luga o loʻo faʻapipiʻiina i se laulau poʻo ni vaega o le ufiufi, e ala i le taoina ma le faʻamalolo, ona avea lea ma PPGL.
O le ata vali e mafai ona tatou faia 10-30microns.O le maualuga o le ata vali, o le umi o le ola tautua o le lanu.
O mea vali o PE, SMP, HDP, PVDF, ects.