Rage gurɓataccen gurɓataccen abu yana bayyana akan saman foil ɗin aluminum a ciki 0 jihar. Bayan an goge foil ɗin aluminum, ana gwada shi ta hanyar goge ruwa, kuma baya kai matakin da aka kayyade a gwajin goge ruwa.
Foil na aluminium wanda ke buƙatar gwajin wanke ruwa ana amfani da shi musamman don bugu, hada da sauran kayan, da dai sauransu. Saboda haka, 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.
