Isikhafu sokuxhuma i-aluminium silicate ngezinye izikhathi sibizwa nangokuthi ipulaki ye-asbestos kanye ne-insulation cap yokukhipha isithando sokuncibilikisa i-aluminium-copper-zinc. Senziwe kakhulu ngemicu ye-ceramic ye-aluminium silicate yezinga eliphezulu kanye nezinye izindlela zokufaka i-vacuum. Sinokwakheka okunzima, amandla aphezulu okucindezela, indawo yokugcina ukushisa okuphansi kanye nokulahlekelwa ukushisa okuphansi. Sifanele izithando zokuncibilikisa ze-aluminium, zethusi kanye ne-zinc, izithando zokucwenga, izithando ezimile, kanye nezithando zikagesi. Ukushisa okuhle kakhulu kanye nomphumela wokuvala wokukhipha amanzi kwenza inqubo yokubumba ye-aluminium-copper-zinc kanye ne-aluminium-copper-zinc alloy ibe lula kakhulu, iphephe futhi ithembeke kakhudlwana.