Koyilo ya ppgi yokhala ndi utoto imatchedwanso koyilo yachitsulo yopakidwa kale (chidule cha "ppgi koyilo"), imagwiritsa ntchito malata ngati gawo lapansi.Pambuyo pokonzekera pamwamba (kuchotsa mankhwala ndi mankhwala otembenuza mankhwala), imvi ppgi zitsulo zophimba pamwamba zokutira ndi wosanjikiza kapena zigawo zingapo zokutira, kupyolera mu kuphika ndi kuchiritsa, ndiye kukhala PPGI. nthaka wosanjikiza amathandizira kuphimba ndi kuteteza mtundu TACHIMATA zitsulo koyilo, kuteteza zitsulo koyilo kuti dzimbiri, ndi moyo wake utumiki ndi za 1.5 nthawi yaitali kuposa kanasonkhezereka zitsulo koyilo.
The utoto filimu kuti tikhoza kuchita 10-30microns.Kukwera kwa filimu ya utoto, kumakhala moyo wautali wautumiki wa mtunduwo.
Zojambulajambula ndi PE, SMP, HDP, PVDF, ects.
Pupolar mtundu wa prepainted zitsulo koyilo: vinyo wofiira (ral3005), wofiira lawi (ral3000), Ruby wofiira (RAL3003), Siginal ofiira (RAL 3001), Coral wofiira(RAL 3016), Magalimoto ofiira (RAL 3020)