Ili ndi kutentha kwakukulu komanso kuthamanga kwambiri, kuchuluka kwaibodi ndikotsika, mawonekedwe amomwe ntchito zamagetsi zimakhazikika. Titha kupirira kukokoloka kwa asidi, soda ndi zinthu zina zosungunulira, ndipo zimatha kupirira pakupanga kusintha kwa kutentha. Ntchito yake yayikulu ndikuwonjezera gasi kapena magawidwe amadzi, kuthandizira ndi chitetezo sichinthu chachikulu chothandizira.
Al2O3 |
Fe2O3 |
MgO |
SiO2 |
Wachinyamata |
TiO2 |
> 99% |
<0.1% |
<0.5% |
<0.2% |
<0.05% |
<0.05% |
Katunduyo |
Mtengo |
Mayamwidwe amadzi (%) |
<1 |
Atanyamula kachulukidwe (g / cm3) |
1.9-2.2 |
Mphamvu yokoka (g / cm3) |
> 3.6 |
Opaleshoni aganyu. (Max) (℃) |
1650 |
Zikuoneka porosity (%) |
<1 |
Kuuma kwa Moh (kukula) |
> 9 |
Kukaniza kwa acid (%) |
> 99.6 |
Soda kukana (%) |
> 85 |
Kukula |
Phwanya mphamvu |
|
makilogalamu / tinthu |
KN / tinthu |
|
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 |
Kulolerana |
± 1.0 |
± 1.5 |
± 2 |
± 2.5 |