Degreasing kusvibiswa kunonyanya kuratidzwa pamusoro pearuminiyamu foil mukati 0 state. Mushure mokunge iyo aluminium foil yakanyungudutswa, inoedzwa nenzira yekugeza mvura, uye haisviki panhanho yakataurwa muyedzo yekukwesha mvura.
Iyo aluminium foil inoda bvunzo yekugeza-mvura inonyanya kushandiswa kudhinda, mubatanidzwa nezvimwe zvinhu, etc. Naizvozvo, 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.
