Ili ndi kutentha kwakukulu komanso kukana kupanikizika, bibulous rate ndi yochepa, makhalidwe a mankhwala ndi okhazikika. Ingathe kupirira kukokoloka kwa asidi, alkali ndi zosungunulira zina organic, ndipo akhoza kupirira kupanga ndondomeko kusintha kutentha. Ntchito yake yayikulu ndikuwonjezera malo ogawa gasi kapena madzi, kuthandizira ndi kulimba kwachitetezo sikuli ntchito yayikulu ya chothandizira.
Al2O3 | Fe2O3 | MgO | SiO2 | Na2O | TiO2 |
> 99% | <0.1% | <0.5% | <0.2% | <0.05% | <0.05% |
Kanthu | Mtengo |
Kumwa madzi (%) | <1 |
Kachulukidwe kazonyamula (g/cm3) | 1.9-2.2 |
Kukoka kwapadera (g/cm3) | >3.6 |
Kutentha kwa ntchito.(max) (℃) | 1650 |
Kuwoneka kwa porosity (%) | <1 |
Kuuma kwa Moh (mulingo) | > 9 |
Kukana kwa Acid (%) | > 99.6 |
Kukana kwa alkali (%) | > 85 |
Kukula | Kuphwanya mphamvu | |
kg/chinthu | KN/chinthu | |
1/8" (3mm) | > 203 | >2 |
1/4" (6mm) | > 459 | > 4.6 |
1/2" (13mm) | > 877 | > 8.7 |
3/4" (19mm) | > 1220 | > 12 |
1" (25mm) | > 1630 | > 16 |
1-1/2"(38mm) | > 2340 | > 23 |
2" (50mm) | > 3460 | > 34 |
Kukula ndi kulolerana (mm) | ||||
Kukula | 3/6/9 | 9/13 | 19/25/38 | 50 |
Kulekerera | ± 1.0 | ± 1.5 | ± 2 | ± 2.5 |