Bandhiga alaabta:
Naxaasta saafiga ah waa naxaasta leh qadarka ugu badan ee naxaasta, sababtoo ah qaybta ugu muhiimsan waa naxaas iyo qalin, ka kooban yahay 99.5 ~ 99.95%;walxaha wasakhda ugu weyn: fosfooraska, bismuth, antimony, arsenic, iron, nikkel, lead, iron, tin, baaruud, zinc, oxygen, iwm.;loo isticmaalo in lagu sameeyo qalabka korantada, daawaha naxaasta horumarsan, daawaha naxaas ku salaysan.
Naxaasta aluminiumka waxaa loo qaybin karaa laba qaybood.Mid ka mid ah ayaa tuuraya aluminium naxaas ah si looga saaro wasakhda oo loo kordhiyo dheecaanka, daawadu kama badna 0.5%;Midda kale waa been abuur aluminium naxaas ah si ay u kordhiso iska caabinta daxalka, oo sida caadiga ah loo isticmaalo sida tuubada uumi, kala duwan ee ka kooban guud waa Al1 ~ 6%, Zn 24 ~ 42%, iyo Cu 55 ~ 71%.