Castables uas muaj qhov ntom ntom tsawg dua 1.5 lub ntiajteb txawj nqus yog lub teeb castable refractory, feem ntau yog rau thermal rwb thaiv tsev. Cov castables uas muaj qhov ntom ntom ntau dua 1.5 thiab tsawg dua 1.8 tuaj yeem hu ua semi-light castables, thiab cov uas muaj qhov ntom ntom ntau dua 1.8 yog hnyav castables.
Cov ntaub ntawv raw ntawm lub teeb yuag castable refractory yog aggregates thiab hmoov uas ntxiv nyob rau hauv kev faib ua feem nrog ib tug ceev thiab lub teeb yuag, thiab lub binder yog tseem ua ke nrog high-alumina cement. Kuj tseem muaj kev sib xyaw ua ke ntawm cov iav dej thiab phosphoric acid, tab sis cov binder ntawm lub teeb yuag castable refractory yog loj, thiab cov kev faib ua feem ntawm cov dej ntxiv rau kev tsim kho kuj loj dua qhov hnyav castable.
Lub teeb castable refractory yog tus cwj pwm los ntawm qhov ntom ntom, lub teeb yuag, tsis tshua muaj thermal conductivity thiab zoo thermal rwb thaiv tsev nyhuv. Muaj ntau ntau yam ntawm lub teeb castables, thiab cov khoom kuj tau muab faib ua nruab nrab thiab acidic.
Lub hauv paus ntawm lub kiln yeej muaj ib txheej insulating. Lub teeb yuag castable refractory siv rau txheej insulating tsis tuaj yeem ncaj qha flamed. Cov txheej txheej txheej insulating feem ntau muaj castables lossis refractory cib rau cov txheej txheem ua haujlwm, uas yog lub teeb yuag thiab refractory. Lub castable muaj zoo thermal rwb thaiv tsev nyhuv, qeeb cua sov dissipation thiab zoo thermal rwb thaiv tsev nyhuv. Thiab nws tuaj yeem txuag kev siv roj hauv qhov cub. Hauv cov kab sib txawv ntawm cov khoom siv hluav taws xob sib txawv, cov castables sib txawv los yog lub teeb yuag castables nrog cov khoom sib txawv.
Qee cov qib high-grade lightweight castables refractory kuj tseem siv tau los ua cov txheej txheem ua haujlwm hauv lub tshuab ua kom sov, xws li cov kua qaub-resistant lub teeb-hnyav castables nrog lub ntiajteb txawj nqus ntawm 1.5, uas yog siv nyob rau hauv chimneys los yog flues, thiab cov nyhuv yog zoo heev. Yuav ua rau lub chimney hnav thiab txo kev ntxhov siab. Kuj tseem muaj alumina hollow pob refractory castables, uas yog cov ntaub ntawv qib siab hauv cov castables hnav thiab tuaj yeem siv rau hauv cov khoom siv tshwj xeeb lub teeb ci. Lawv tsis tsuas yog resistant rau kub, tab sis kuj lub teeb nyob rau hauv qhov hnyav.
Lub teeb yuag castables yog lub teeb yuag, muaj thermal conductivity tsawg, yooj yim siv thiab pheej yig. Ntxiv mus, raws li cov kev xav tau sib txawv ntawm kev ua lag luam, lub teeb yuag castables niaj hnub tsim cov khoom siv hluav taws xob sib xyaw ua ke kom tau raws li kev siv cov khoom siv hluav taws xob.
