Hape e tsejoang e le Allowlers le li-k500 tsa li-k500 tsa monekeng tse khang ea nickel e kopanyang khatello e ikhethang ea mohloaare ea 400 ka matla le matla a eketsehileng. Ka matla ho feta 400, Alloy K500 le ho boloka matla ana ka bobeli, a hanyetsa li-acide tse hloekileng le letsoai, letsoai, alkalis le khase ea bolila.