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Vermiculite hmoov
Vermiculite yog cov ntxhia silicate, uas yog mica sub-organism.Nws lub ntsiab chemical muaj pes tsawg leeg: 22MgO · 5Al2O3 · Fe2O3 · 22SiO2 · 40H2O Theoretical molecular mis tom qab roasting thiab expansion: (OH) 2 (MgFe) 2 · (SiAlFe) 4O104H2O
Thawj ore vermiculite yog txheej txheej txheej nrog me me dej ntawm txheej.Tom qab cua sov ntawm 900-950 ℃, nws tuaj yeem ua rau lub cev qhuav dej, tawg thiab nthuav mus rau 4-15 npaug ntawm cov khoom qub, tsim cov khoom siv lub cev porous.Nws muaj thermal rwb thaiv tsev, kub tsis kam, rwb thaiv tsev, antifreeze, av qeeg tsis kam, acid thiab alkali corrosion kuj, suab rwb thaiv tsev thiab lwm yam khoom.
