-
Thermal rwb thaiv tsev vermiculite
Expanded vermiculite muaj cov yam ntxwv ntawm ntxeem tau, lub teeb yuag thiab siab melting point.Nws yog qhov tsim nyog rau cov ntaub ntawv rwb thaiv tsev thermal (hauv qab 1000 ℃) thiab cov khoom siv hluav taws kub.Tom qab kev sim, 15 cm tuab cement vermiculite phaj raug hlawv ntawm 1000 ℃ rau 4-5 teev, thiab qhov kub ntawm sab nraub qaum tsuas yog li 40 ℃.Lub xya centimeter tuab vermiculite phaj yog hlawv rau tsib feeb ntawm qhov kub thiab txias ntawm 3000 ℃ los ntawm hluav taws kub vuam nplaim net.Sab pem hauv ntej melts, thiab sab nraub qaum tseem tsis kub nrog tes.Yog li nws tshaj tag nrho cov ntaub ntawv rwb thaiv tsev.Xws li asbestos, diatomite khoom, thiab lwm yam.
