Al2O3+SiO2 | Al2O3 | Fe2O3 | MgO | K2O+Na2O +CaO | Lain-lain |
> 93% | 45-50% | <1% | <0.5% | <4% | <1% |
item | Nilai |
Penyerapan air (%) | <2 |
Ketumpatan pukal (g/cm3) | 1.4-1.5 |
Graviti tentu (g/cm3) | 2.4-2.6 |
Kelantangan percuma (%) | 40 |
Suhu operasi.(maks) (℃) | 1200 |
Kekerasan Moh (skala) | >7 |
Rintangan asid (%) | >99.6 |
Rintangan alkali (%) | >85 |
Saiz | Hancurkan kekuatan | |
Kg/zarah | KN/zarah | |
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 |
Saiz dan toleransi (mm) | ||||
Saiz | 3/6/9 | 9/13 | 19/25/38 | 50 |
Toleransi | ± 1.0 | ± 1.5 | ± 2 | ± 2.5 |