Diatomite yog tsim los ntawm amorphous SiO2 thiab muaj me me ntawm Fe2O3, CaO, MgO, Al2O3 thiab cov organic impurities.Diatomite feem ntau yog lub teeb daj lossis lub teeb grey, mos, ntxeem tau thiab lub teeb.Nws yog feem ntau siv nyob rau hauv kev lag luam raws li thermal rwb thaiv tsev khoom, lim khoom, muab tub lim, abrasive khoom, w ...
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