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Calcined Alumina Powder

The product is white powder,uniform of particle size,easy to dispersion,stable of chemical performance,moderate in high temperature shrinkage and excellent sintering properties, hardly soluble in acid and alkali. It is used as high quality material for refractory, sintering corundum and ceramics.

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Sample number	Al2O3	SiO2	Fe2O3	Na2O	igloss(%)
22AT 23566	≥98.75	≤0.023	≤0.008	≤0.269	0.95
22AT 23567	≥98.76	≤0.022	≤0.008	≤0.269	0.94
22AT 23568	≥98.76	≤0.022	≤0.008	≤0.269	0.94
22AT 23569	≥98.74	≤0.023	≤0.008	≤0.273	0.96
22AT 23570	≥98.74	≤0.023	≤0.008	≤0.273	0.96
22AT 23571	≥98.75	≤0.023	≤0.008	≤0.273	0.95
22AT 23572	≥98.75	≤0.024	≤0.008	≤0.272	0.95
22AT 23573	≥98.76	≤0.024	≤0.008	≤0.272	0.94
22AT 23574	≥98.76	≤0.024	≤0.008	≤0.272	0.94
22AT 23575	≥98.75	≤0.024	≤0.008	≤0.271	0.95
22AT 23576	≥98.75	≤0.024	≤0.008	≤0.269	0.95
22AT 23577	≥98.74	≤0.024	≤0.008	≤0.269	0.96
22AT 23578	≥98.74	≤0.024	≤0.008	≤0.270	0.96

Sample number	Above 100#(%)	100#~200#(%)	200#~325#(%)	Below 325(%)
22AT 23566	3.6	71.4	12.6	12.4
22AT 23567	4.2	70.6	13.0	12.2
22AT 23568	3.0	65.6	19.0	12.4
22AT 23569	4.0	67.0	17.0	12.0
22AT 23570	3.8	69.4	14.2	12.6
22AT 23571	5.0	70.4	12.4	12.2
22AT 23572	4.4	67.2	16.2	12.2
22AT 23573	3.8	68.2	15.6	12.4
22AT 23574	3.2	72.4	12.4	12.0
22AT 23575	4.8	64.6	19.0	11.6
22AT 23576	4.2	66.4	17.6	11.8
22AT 23577	3.8	66.6	18.2	11.4
22AT 23578	4.6	64.6	19.4	11.4