Expanded vermiculite yog tsim los ntawm nthuav cov thawj ore vermiculite ntawm qhov kub thiab txias ntawm 900-1000 degrees, thiab qhov nthuav dav yog 4-15 zaug.Expanded vermiculite yog txheej txheej txheej nrog cov dej siv lead ua ntawm cov txheej.Nws muaj cov thermal conductivity tsawg thiab qhov ntom ntom ntawm 80-200kg / m3.Qhov nthuav dav vermiculite nrog cov khoom zoo tuaj yeem siv txog li 1100C.Tsis tas li ntawd, nthuav vermiculite muaj hluav taws xob zoo.
Expanded vermiculite yog dav siv nyob rau hauv thermal rwb thaiv tsev cov ntaub ntawv, hluav taws xob tiv thaiv cov ntaub ntawv, seedlings, cog paj, cog ntoo, kev sib txhuam cov ntaub ntawv, sealing cov ntaub ntawv, hluav taws xob rwb thaiv tsev cov ntaub ntawv, coatings, daim hlau, xim, roj hmab, refractory ntaub ntawv, hard water softeners, smelting, siv. , shipbuilding, Tshuaj lom neeg kev lag luam.