LA43Mke motsoako o sebetsang hantle haholo oa magnesium-lithium (Mg-Li) o ntlafalitsoeng ka boikemelo ke bahlahisi ba malapeng, o kopanyang melemo ea boima bo bobebe haholo, matla a phahameng, ho hanyetsa mafome, le bokhoni bo botle ba ho sebetsa. Jwalo ka thepa ea sebopeho e bobebe e fetohang, e phunyeletsa litšitiso tsa ts'ebetso ea li-alloy tsa magnesium tsa setso le li-alloy tsa aluminium, 'me e tsebahala haholo masimong a maemo a holimo joalo ka sefofane, lisebelisoa tsa elektroniki tsa 3C le lisebelisoa tsa bongaka.​
Ka bongata bo ka tlase ho 1.64g/cm³ (30% e bobebe ho feta metsoako ea aluminium le 50% e bobebe ho feta tšepe), LA43M e fihlella tekano e phethahetseng lipakeng tsa "bobebe" le "thepa ea mechini", e fanang ka tharollo e ntle ea thepa bakeng sa liindasteri tse phehellang paballo ea matla, ntlafatso ea bokhoni, le ho etsa hore e be nyane.