Al2O3+SiO2 |
Al2O3 |
Fe2O3 |
MgO |
K2O +Na2O +CaO |
Oaren |
> 93% |
45-50% |
<1% |
<0,5% |
<4% |
<1% |
Ûnderdiel |
Wearde |
Wetteropname (%) |
<2 |
Bulkdichtheid (g/cm3) |
1.4-1.5 |
Spesifike swiertekrêft (g/cm3) |
2.4-2.6 |
Frij volume (%) |
40 |
Operaasje temp. (Max) (℃) |
1200 |
Moh's hurdens (skaal) |
> 7 |
Soerresistinsje (%) |
> 99,6 |
Alkali ferset (%) |
> 85 |
Grutte |
Crush sterkte |
|
Kg/dieltsje |
KN/dieltsje |
|
1/8 "(3 mm) |
> 35 |
> 0,35 |
1/4 "(6 mm) |
> 60 |
> 0,60 |
3/8 "(10 mm) |
> 85 |
> 0,85 |
1/2 "(13 mm) |
> 185 |
> 1.85 |
3/4 "(19 mm) |
> 487 |
> 4,87 |
1 "(25 mm) |
> 850 |
> 8.5 |
1-1/2 ”(38 mm) |
> 1200 |
> 12 |
2 "(50 mm) |
> 5600 |
> 56 |
Grutte en tolerânsje (mm) |
||||
Grutte |
3/6/9 |
9/13 |
19/25/38 |
50 |
Tolerânsje |
± 1.0 |
± 1.5 |
± 2 |
± 2.5 |