Al2O3+SiO2 |
Al2O3 |
Fe2O3 |
MgO |
K2O+Na2O +CaO |
Others |
> 93% |
45-50% |
<1% |
<0.5% |
<4% |
<1% |
Item |
Value |
Water absorption (%) |
<2 |
Bulk density (g/cm3) |
1.4-1.5 |
Specific gravity (g/cm3) |
2.4-2.6 |
Free volume (%) |
40 |
Operation temp.(max) (℃) |
1200 |
Moh’s hardness (scale) |
>7 |
Acid resistance (%) |
>99.6 |
Alkali resistance (%) |
>85 |
Size |
Crush strength |
|
Kg/particle |
KN/particle |
|
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 |
Size and tolerance (mm) |
||||
Size |
3/6/9 |
9/13 |
19/25/38 |
50 |
Tolerance |
± 1.0 |
± 1.5 |
± 2 |
± 2.5 |