1) Pre-roulo kouvri plak aliminyom: Kontni an materyel baz nan PVDF nan penti a itilize pou pre-woule kouch se kom wote 70. Li se te fe pa orizontal otomatik ki fonksyone de-kouch de-boulanjri oswa twa-kouch twa-boulanjri woulo liv pwosesis kouch. Kouch apre nwaj; konpakte a, rezistans korozyon ak aje rezistans nan twa-kouch twa-baking yo byen lwen pi bon pase de-kouch ak de-boulanjri kouch.
2) Odine flite plak aliminyom: anjeneral de-kouch ak yon sel-boulanjri oswa twa kouch-boulanjri ak de-boulanjri kouch, pwosesis la ranpli pa operasyon manyel, ak adezyon an ak diferans koule sifas nan kouch la yo enferye a plak la pre-woule.
