Al2O3+SiO2 |
Al2O3 |
Fe2O3 |
MgO |
K2O +Na2O +CaO |
Lwm tus |
> 93% |
45-50% |
<1% |
<0.5% |
<4% |
<1% |
Yam khoom |
Tus nqi |
Dej nqus dej (%) |
<2 |
Tej ntom ntom (g/cm3) |
1.4-1.5 |
Kev nqus tshwj xeeb (g/cm3) |
2.4-2.6 |
Dawb ntim (%) |
40 |
Ua haujlwm kub. (Max) (℃) |
1200 |
Moh's hardness (nplai) |
> 7 |
Acid tsis kam (%) |
> 99.6 |
Alkali tsis kam (%) |
> 85 |
Loj |
Zuaj zog |
|
Kg/feem |
KN/feem |
|
1/8 "(3 hli) |
> 35 |
> 0.35 |
1/4 "(6 hli) |
> 60 |
> 0.60 |
3/8 "(10 hli) |
> 85 |
> 0.85 |
1/2 "(13 hli) |
> 185 |
> 1.85 |
3/4 "(19 hli) |
> 487 |
> 4.87 |
1 "(25 hli) |
> 850 |
> 8.5 |
1-1/2 "(38 hli) |
> 1200 |
> 12 |
2 "(50 hli) |
> 5600 |
> 56 |
Loj thiab kam rau ua (hli) |
||||
Loj |
3/6/9 |
9/13 kuv |
19/25/38 |
50 |
Kev kam rau ua |
± 1.0 tsi |
± 1.5 ib |
± 2 |
± 2.5 ib |