LA43Misimbi ye magnesium-lithium (Mg-Li) ine simba guru uye yakagadzirwa nevanogadzira zvinhu zvemumba, ichibatanidza mabhenefiti ehuremu hwakareruka, simba guru, kuramba ngura, uye kugona kuigadzira zvakanaka. Sechinhu chakareruka, inobvisa zvipingamupinyi zvekushanda kwesimbi dzechinyakare dzemagnesium nealuminium, uye inozivikanwa zvakanyanya muminda yepamusoro-soro yakadai sendege, 3C electronics, uye zvishandiso zvekurapa.​
Nekuwanda kwayo kwakaderera se1.64g/cm³ (30% yakareruka kupfuura aruminiyamu uye 50% yakareruka kupfuura simbi), LA43M inowana chiyero chakakwana pakati pe "huremu hwakareruka" uye "hunhu hwemakanika", ichipa mhinduro yakakwana yezvinhu zvemaindasitiri ari kutsvaga kuchengetedza simba, kuvandudza mashandiro, uye miniaturization.