Koil ppgi sing dilapisi warna uga dijenengi kumparan baja galvanis prepainted (singkatan saka "ppgi coil"), nggunakake galvanis minangka landasan.Sawise pretreatment lumahing (degreasing kimia lan perawatan konversi kimia), lumahing ditutupi karo lapisan utawa sawetara lapisan saka nutupi, liwat baking lan ngruwat, banjur dadi PPGI. nduweni peran kanggo nutupi lan nglindhungi kumparan baja sing dilapisi warna, nyegah kumparan baja saka karat, lan urip layanan kira-kira 1,5 kaping luwih suwe tinimbang kumparan baja galvanis.
Film Paint sing kita bisa nindakake 10-30microns.Sing luwih dhuwur film cat, luwih dawa umur layanan saka werna.
Bahan lukisan yaiku PE, SMP, HDP, PVDF, lsp.
Warna pupolar kumparan baja prepainted: abang anggur (ral3005), abang api (ral3000), abang Ruby (RAL3003), abang sinyal (RAL 3001), abang karang (RAL 3016), abang lalu lintas (RAL 3020)