Degreasing filogia o loʻo faʻaalia tele i luga o le alumini pepa i totonu 0 setete. A maeʻa ona faʻapipiʻi le pepa alumini, e fa'ata'ita'iina e ala ile fufulu vai, ma e le o'o i le maualuga o lo'o fa'amaoti mai ile su'ega ole fufulu vai.
O le pepa alumini e manaʻomia ai le suʻega vai e masani ona faʻaaogaina mo le lolomiina, fa'atasi ma isi mea, ma isi. O lea la, the surface of the aluminum foil must be degreasing clean and reach the level specified by the water-washing test.
The main reasons for unclean degreasing: excessive oil on the surface of the aluminum box; excessive slitting tension; unreasonable annealing process.
