Product Description
Alumina are produced by high temperature melting-jet method developing on ordinary irregular shape Al2O3, and then undergoes screening, purification and other processes to obtain the final product. The obtained alumina has high spheroidization rate, controllable particle size distribution and high purity.
White Fused Alumina is a pure, clear Fused Alumina, which makes the whitestvitrified wheels possible with low soda and silica content. This is the most friablealuminum oxide. Due to its high purity and large crystal size, its crystals fracturecomparatively swiftly and constantly cutting crystals to small pieces.White Fused Alumina for Abrasives is used in the grinding of heat sensitivealloys. Taking advantage of its friability and cool cutting ability, it is widely usedin precision grinding of high speed steels, segments and internal grindingwheels.
Product Chemical and Physical Properties
Items | Index | |||||
Specific Gravity | >3.95 | |||||
Refractoriness ℃ | >1850 | |||||
Bulk Density g/cm3 | >3.5 | |||||
Type | Size | Chemical Composition（%） | ||||
Al2O3 | Na2O | SIO2 | Fe2O3 | |||
For Abrasive | F | 12#-80# | >99.2 | <0.4 | <0.1 | <0.1 |
90#-150# | >99.0 | |||||
180#-240# | >99.0 | |||||
For Refractort | Size Sand | 0-1mm | >99.2 | <0.4 or <0.3 or <0.2 | ||
1-3mm | ||||||
3-5mm | ||||||
5-8mm | ||||||
Fine Powder | 200-0 | >99.0 | ||||
325-0 | ||||||
*Using in metal aluminium.
*Using as test instruments for high temperature resistance.
*Using in fire retardant.
*Using in abradant.
*Using in filler.
*Using in cerimic glaze and substrate of an integrated circuit.
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