Material: | Alumina |
---|---|
Content: | >90% |
Usage: | Grind |
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Specification |
Common Ceramic Balls |
Inert Alumina Ceramic Balls |
medium Alumina Ceramic Balls |
High-Alumina Ceramic Balls |
99%-Alumina Ceramic Balls |
Al2O3+SiO2(%) |
>93 |
>92 |
>93 |
>94 |
>99 |
Al2O3(%) |
17-23 |
23-30 |
47-75% |
90-92 |
99 |
Fe2O3(%) |
<1 |
<1 |
<1 |
<1 |
0.2 |
CaO(%) |
<0.5 |
<1.5 |
<0.5 |
<0.5 |
0.2 |
MgO(%) |
<0.5 |
<2.5 |
<0.5 |
<0.5 |
0.1 |
K2O+Na2O(%) |
<4 |
<4 |
<3.5 |
<4 |
>0.5 |
TiO2 |
------- |
<0.5 |
<0.1 |
<0.1 |
0.5 |
Leachable Fe2O3 |
------- |
<0.1 |
<0.001 |
<0.001 |
|
Water Absorption |
<0.5% |
<0.5% |
<1 |
<2 |
2.0-6.0 |
ParticleDensity g/cm3 |
2.3-2.4 |
2.3-2.4 |
2.6-2.9 |
3.4 |
3.1-3.6 |
Operation Temp (max).C |
980 |
982 |
1480 |
1580 |
1600 |
Moh's Hardness |
>6.5 |
>7 |
>7 |
>7 |
>7.5 |
Crush Strength |
KN/Particle |
||||
1/4"(6mm) |
>0.5 |
>0.5 |
>0.5 |
>0.6 |
>1.0 |
1"(25mm) |
>6.5 |
>6.5 |
>4.9 |
>5.5 |
>8.2 |
11/2"(38mm) |
>8.9 |
>8.9 |
>5.5 |
>5.4 |
>8.2 |
2"(50mm) |
9.8 |
>9.8 |
>6.5 |
>7.8 |
>15.5 |