
Nws siv tau rau hauv cov pej thuam ziab, cov pej thuam nqus dej, cov pej thuam txias, cov pej thuam ntxuav, cov pej thuam rov tsim dua tshiab, thiab lwm yam hauv tshuaj lom neeg, metallurgy, roj, kev tiv thaiv ib puag ncig thiab lwm yam lag luam.
1: siv dav hauv ntau lub thawv ntim khoom rau kev desiccation, kev nqus, kev txias, kev ntxuav, kev sib cais thiab kev tsim dua tshiab hauv ntau yam lag luam.
2: siv rau hauv kev siv petrochemical, tshuaj lom neeg, metallurgy, roj thiab oxygen tiam.
| Kev Tshuaj Xyuas Tshuaj |
|
| Al2O3 | 17-23% |
| SiO2 | >70% |
| Fe2O3 | <1.0% |
| CaO | <1.5% |
| MgO | <0.5% |
| K2O + Na2O | <3.5% |
| Lwm yam | <1% |
| Khoom | Tus nqi |
| Kev nqus dej | <0.5% |
| Pom tseeb porosity (%) | <1 |
| Lub zog nqus tshwj xeeb | 2.3-2.35 |
| Kev ua haujlwm kub (max) | 1000°C |
| Moh lub hardness | >7 qib |
| Kev tiv thaiv kua qaub | >99.6% |
| Qhov Loj (hli) | Qhov tuab (hli) | Thaj chaw nto (m2/m3) | Ntim dawb (%) | Tus lej ib m3 | Qhov ceev ntawm cov khoom loj (kg/m3) |
| 25 | 3 | 210 | 73 | 53000 | 580 |
| 38 | 4 | 180 | 75 | 13000 | 570 |
| 50 | 5 | 130 | 78 | 6300 | 540 |
| 80 | 8 | 110 | 81 | 1900 xyoo | 530 |