Amagwiritsidwa ntchito kwambiri m'mafakitale a petroleum, mankhwala, feteleza, gasi ndi chitetezo cha chilengedwe, monga chothandizira mu riyakitala kuphimba zinthu zothandizira ndi kulongedza nsanja. 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+SiO2 | Al2O3 | Fe2O3 | MgO | K2O+Na2O+CaO | Zina |
93% | 17-19% | <1% | <0.5% | <4% | <1% |
Leach able Fe2O3 ndi yochepera 0.1%.
Kanthu | Mtengo |
Kumwa madzi (%) | <0.5 |
Kuchulukana (g/cm3) | 1.35-1.4 |
Kukoka kwapadera (g/cm3) | 2.3-2.4 |
Voliyumu yaulere (%) | 40% |
Kutentha kwa ntchito.(max) (℃) | 1200 |
Kuuma kwa Moh (mulingo) | > 6.5 |
Kukana kwa Acid (%) | > 99.6 |
Kukana kwa alkali (%) | > 86 |
Kukula | Kuphwanya mphamvu | |
Kg/chinthu | KN/chinthu | |
1/8" (3mm) | > 35 | > 0.35 |
1/4" (6mm) | > 60 | > 0.60 |
3/8" (10mm) | > 85 | > 0.85 |
1/2" (13mm) | > 185 | > 1.85 |
3/4" (19mm) | > 487 | > 4.87 |
1" (25mm) | > 850 | > 8.5 |
1-1/2" (38mm) | > 1200 | > 12 |
2" (50mm) | > 5600 | > 56 |
Kukula kwina kumatha kusinthidwa mwamakonda.
Kukula ndi kulolerana (mm) | ||||
Kukula | 3/6/9 | 9/13 | 19/25/38 | 50 |
Kulekerera | ± 1.0 | ± 1.5 | ± 2 | ± 2.5 |