tono kaolin: Ko te ahua o te kaolin ore he ma, he hina hina me etahi atu tae.Ina he poke, he kowhai, he tuara, he rohi ranei.He oneone mātotoru, he nui, he repo ranei, he ngohengohe te kakano, he pahekeheke, he uaua ake i nga whao.kiato whanaunga 2.4~2.6.Refractoriness High, ki runga ki te 1700~179...
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