
Low siman refractory castables refere a ki ba siman refractory castables nan aliminyòm silikat, mayezyòm ak Silisyòm. Pami yo, aliminyòm silikate ki ba siman Castables REFRACTORY yo se pi bonè devlope, pi pwofondman rechèch la ak pi lajman itilize yo.
Prensip la fòmilasyon nan ki ba siman Castables REFRACTORY se rezonab chwazi nòt patikil, poud ultrafin ak kalite melanj ak dòz yo.
REFRACTORY granula yo ak poud nan ki ba siman REFRACTORY CASTABLES yo te fè nan byen-kalsine clinker ajil ak segondè alumina clinker. Se gwosè a patikil maksimòm nan granula REFRACTORY detèmine dapre epesè nan pawa a jeni, jeneralman 1 0 μm. Nòt patikil li yo: 10 ~ 0.15 mm. Anjeneral pale, lè w ap prepare ki ba siman Castables REFRACTORY, kat nivo nan nòt patikil yo te itilize reyalize maksimòm dansite nan anbalaj.
Castables ki ba siman REFRACTORY jeneralman itilize segondè, prensipal oswa espesyal klas segondè alumina clinker kòm matyè premyè. Apre fanm k'ap pile, yo ta dwe retire fè yo te pote soti, ak rafineman an<0.09mm or <0.044mm should be ≥90%. When preparing, it can be used alone or in proportion. Sometimes high-grade materials such as alumina powder, white corundum powder or brown corundum powder of the same fineness are added to improve the matrix performance of low cement refractory castables.
Karakteristik yo ki pèfòmans nan ki ba siman Castables REFRACTORY yo se gwo fòs, ak fòs la tanperati mwayen pa diminye men ogmante siyifikativman. Rezon ki fè yo plizyè aspè. Pami yo, se dezidratasyon an nan idrat aluminate kalsyòm te pote soti tou dousman ak kontinyèlman nan yon seri gwo tanperati, ak estrikti a kristal se mwens domaje.

Tab pèfòmans
Main endikatè fizik ak chimik nan castables siman ki ba
|
projè |
Hx-ln |
HX-DA55 |
Hx- da60 |
|
|
Al2O3(%): |
Pi gran pase oswa egal a 42 |
Pi gran pase oswa egal a 55 |
Pi gran pase oswa egal a 60 |
|
|
Dansite esansyèl (g/cm3) |
110 degre x16h |
2.15 |
2.25 |
2.30 |
|
Fòs konpresiv (MPa) |
110 degre x16h |
Pi gran pase oswa egal a 25 |
Pi gran pase oswa egal a 30 |
Pi gran pase oswa egal a 30 |
|
1300 degre x3h |
Pi gran pase oswa egal a 40 |
- |
- |
|
|
1350 degre x3h |
- |
Pi gran pase oswa egal a 45 |
Pi gran pase oswa egal a 45 |
|
|
Flexural Force (MPa) |
110 degre x16h |
Pi gran pase oswa egal a 4 |
Pi gran pase oswa egal a 5 |
Pi gran pase oswa egal a 5 |
|
1300 degre x3h |
Pi gran pase oswa egal a 5 |
- |
- |
|
|
1350 degre x3h |
- |
Pi gran pase oswa egal a 6 |
Pi gran pase oswa egal a 6 |
|
|
To chanjman liy (%) |
1300 degre x3h |
-0.5~0 |
-0.5~0 |
- |
|
1350 degre x3h |
- |
- |
-0.5~+0.5 |
|
|
Tanperati opere (degre) |
1300 |
1350 |
1350 |
|
Baj popilè: ba siman castable, Lachin ki ba siman manifaktirè castable, founisè, faktori

