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Mullite pereki whakamaarama marama-taimaha
Ko nga pereki mullite maramara he porosity teitei, ka taea te whakaora ake i te wera, na reira ka whakaitihia te utu mo te wahie.
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Te Temp Refractory Mortar
Ko te kumete whakaahuru he momo hou o nga mea herenga parakore, he mea hanga ki te paura he rite te kounga ki te pereki i whakauruhia, te here parakore me te whakauru.