kumparan baja ppgi uga dijenengi kumparan baja galvanis prepainted (singkatan saka "ppgi coil"), nggunakake galvanis minangka landasan.Sawise pretreatment lumahing (degreasing kimia lan perawatan konversi kimia), werna abu-abu ppgi baja lumahing coil ditutupi karo lapisan utawa sawetara lapisan saka nutupi, liwat baking lan ngruwat, banjur dadi PPGI. lapisan seng muter peran ing nutupi lan nglindhungi werna ditutupi kumparan baja, nyegah kumparan baja saka rusting, lan urip layanan kira-kira 1,5 kaping maneh saka 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 ppgi: abang anggur (ral3005), abang api (ral3000), abang Ruby (RAL3003), abang Sinyal (RAL 3001), abang abang (RAL 3016), abang lalu lintas (RAL 3020)