Lub Pob Zeb Silica Uas Muaj Qhov Nyhav Sib Nqus tau txais cov silica ore uas muab faib ua cov khoom siv raw. qhov loj me ntawm cov khoom tseem ceeb tsis pub ntau tshaj 1 hli, nyob rau hauv ntau tshaj 90% ntawm cov khoom me me yog tsawg dua 0.5 hli. Pob zeb silicate rwb thaiv tsev yog ua los ntawm kev ntxiv cov khoom uas yooj yim hlawv rau hauv lub nra hnyav lossis siv cov txheej txheem roj npuas los tsim cov qauv porous los ntawm kev hlawv, cov pob zeb silicate rwb thaiv tsev kuj tuaj yeem ua rau cov khoom tsis kub hnyiab.
Lub Pob Zeb Silica Rwb Thaiv Hluav Taws Xob muab cov khoom siv raw thiab dej rau hauv cov khoom siv sib tov raws li qee qhov sib piv thiab tom qab ntawd sib tov rau hauv av nkos, ua cov av nkos rau hauv cov cib los ntawm kev txhaj tshuaj los ntawm tshuab lossis tib neeg lub zog. tom qab ntawd ziab cov cib kom txog thaum cov dej seem tsawg dua 0.5%, uas tiv thaiv qhov ntim nthuav dav los ntawm kev hloov pauv siv lead ua ntawm SiO2 thiab hlawv cov cib zoo li no hauv qhov kub siab.
| Cov khoom | QG-1.0 | QG-1.1 | QG-1.15 | QG-1.2 |
| SiO2% | ≥91 | ≥91 | ≥91 | ≥91 |
| Qhov Ceev Ntau g/cm3 | ≥1.00 | ≥1.10 | ≥1.15 | ≥1.20 |
| Lub zog tsoo txias MPa | ≥2.0 | ≥3.0 | ≥5.0 | ≥5.0 |
| 0.1Mpa Refractoriness Nyob rau hauv Load ° C | ≥1400 | ≥1420 | ≥1500 | ≥1520 |
| Kev Hloov Pauv Kab Rov Tav Rov Ua Kub (%) 1450 ° C × 2 teev | 0~+0.5 | 0~+0.5 | 0~+0.5 | 0~+0.5 |
| 20-1000 ° C Thermal Expansion Coefficient × 10-6 ℃ -1 | 1.3 | 1.3 | 1.3 | 1.3 |
| Kev Ua Kub (W/(m·K) 350°C ± 10 ℃ | ≤0.55 | ≤0.6 | ≤0.65 | ≤0.7 |
Silica rwb thaiv tsev refractory cib tuaj yeem siv rau hauv lub cub tawg iav thiab lub qhov cub kub kub, silica rwb thaiv tsev kuj tseem siv tau rau hauv coke qhov cub, carbon forging cub tawg thiab lwm yam cub tawg kev lag luam.