Alumina Ball
Ningbo T.C.I alumina ball products can be divided into two styles, one is alumina grinding ball; another is inert alumina ball.
92% high alumina grinding ball details
1) Chemical composition
- Al2O3 : ≥92 %
- SiO2 : 4.22 %
- Fe2O3 : 0.06 %
- TiO2 : 0.05 %
- CaO : 0.53 %
- MgO : 0.3 %
- K2O : 0.05 %
- Na2O : 0.48 %
2) Physical Properties
- Density : ≥3.60 g/Cm3
- EWT : ≤0.15 ‰
- Compressive Strength : >2000 MPa
- Water Absorption : <0.01 %
- Crushing Strength : ≥520 kN
- Hardness : 9 (Mohs)
- Color : White
Inert alumina ball size: Φ3mm, Φ6mm, Φ9mm, Φ13mm, Φ16mm ,Φ25mm.
Packing and Shipment
Bags / drums upon customer's demand.
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