Paraikete muka uku

He mea hanga mai i te gangue waro kua whakakotahitia ki te hiko, te uku kiripaka, te alumina, te silica, te zirconia me ētahi atu rauemi mata mā te whakapūtātanga. I muri i te werohanga me te whakamahana, he rite tonu te raranga o ngā muka o te hua, ā, he kaha te kume, ā, kāore he here. He tino pai te ātete matū, ā, he whānuitia te whakamahinga i roto i ngā mahi ātete ahi, ārai wera me te tiaki wera.