kaolin ntchito: Maonekedwe a kaolin ore ndi woyera, kuwala imvi ndi mitundu ina.Zikakhala ndi zonyansa, zimakhala zachikasu, kumbuyo kapena kudzuka.Ndi dothi lokhuthala, lalikulu kapena lotayirira, lofewa, loterera, komanso lolimba kuposa misomali.Kachulukidwe wachibale 2.4 ~ 2.6.High refractoriness, mpaka 1700 ~ 179 ...
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