Calcium-aluminate cements feem ntau yog siv rau cov ntawv thov kub kub refractory. … Cov cements no feem ntau yog tsim los kom muaj zog sai dua li cov portland cements thiab feem ntau muaj calcium aluminate uas tuaj yeem tsim hluav taws kub ntau hauv thawj 24 teev.
Vim li cas calcium aluminate cement thiaj tsim nyog rau cov ntaub ntawv refractory?
ISTRA Calcium Aluminate Cement nce nws lub zog compressive siab tshaj 800 ° C vim yog ceramic bonding. ISTRA calcium aluminate sums yog tus nqi tau daws cov tshuaj insulating thiab tuab refactory.
Cov txiaj ntsig ntawm calcium aluminate cement txheeb ze rau Portland cement yog dab tsi?
Calcium aluminate cements paub txog lawv nrawm nrawm, tshwj xeeb tshaj yog nyob rau qhov kub thiab txias, superior durability hla ntau yam xws li thiab kub tsis kam.
Vim li cas bauxite siv hauv cement?
Ntau qhov kev tshawb fawb tau pom tias cov nplua nuj haematite (alpha-Fe2O3) bauxite residue tuaj yeem muab kev txhim kho hauv kev tsim cov sulfate resistant cements. Qhov sib ntxiv ntawm 2 - 10% ntawm bauxite residue txo qhov kub ntawm cov yaj tsim los ntawm 200 oC.
Vim li cas cov ntsiab lus siab alumina cement txwv tsis pub?
Cov pob zeb raws li lwm cov binders kuj tshwm sim, xws li siab alumina cement (HAC), tab sis tam sim no txwv tsis pub siv cov qauv hauv ntau lub tebchaws vim muaj ntau tus neeg siab-profile tsis ua haujlwm. … Txoj kev loj hlob ntxov tshaj plaws ntawm pob zeb ua cov khoom siv hauv tsev tuaj yeem rov qab mus rau ntawm 6500 BC thiab 5600 BC [1, 2].
