Mangaphi amaqhekeza omgangatho izitena ezikhanyelayo ngebhloko nganye ye-cubic?

Uhlobo oluqhelekileyo lwezitena ze-refractory lubhekisela kwi-T3, ubukhulu buyi-230 * 114 * 65mm, obunokubalwa ngefomula: 1 / (0.23 * 0.114 * 0.065) = iziqwenga ze-588, eli linani lezitena eziphikisayo, ukuba i-masonry , Kwakhona yongeza i-gray seams phakathi kwezitena kunye nokunye.