Gabatarwar samfur:
Tagulla mai tsabta ita ce tagulla tare da mafi girman adadin tagulla, saboda babban abin da ke ciki shine jan karfe da azurfa, abun ciki shine 99.5 ~ 99.95%;manyan abubuwa masu ƙazanta: phosphorus, bismuth, antimony, arsenic, iron, nickel, lead, iron, tin, sulfur, zinc, oxygen, da dai sauransu;ana amfani da su don yin kayan aiki, na'ura mai mahimmanci na jan karfe, gami da tushen tagulla.
Ana iya raba tagulla na aluminum zuwa kashi biyu.Ɗaya yana jefa aluminum tagulla don cire ƙazanta da kuma ƙara yawan ruwa, gami da bai wuce 0.5% ba;da sauran ne ƙirƙira tagulla aluminum don ƙara lalata juriya, fiye amfani da matsayin condensing bututu, da general abun da kewayon ne Al1 ~ 6%, Zn 24 ~ 42%, da kuma Cu 55 ~ 71%.