ʻO kā mākou ʻO Refractory Corundum mullite/mullite-Ceramic Pusher Plate/ Sagger loaʻa nā pono o maʻiʻo kiʻekiʻe o Al2O3, haʻahaʻa maʻiʻo o ka haumia, pale wela kiʻekiʻe, maikaʻi loa ka wela haʻalulu, haʻahaʻa coefficient o ka hoʻonui a me ka maikaʻi creep hana.