Calcined Alumina coarse powder
1. Product characteristics
The products have the advantages of high conversion rate, stable crystal form, low impurity content, true specific gravity, low L.O.I, etc. the product has low longitudinal transverse shrinkage, good electrical insulation performance, excellent wear resistance, corrosion resistance and high temperature resistance.
2. Product application
The products are widely used in various abrasive tools and wear-resistant fillers, various ceramic grade and refractory grade micropowders, high alumina, high purity structural ceramics, electronic components, high frequency insulating porcelain, and high alumina ceramic balls.
3. Product specification
The products implement the standard of Chalco Q/CHALCO A017-2010(SD).
Brands
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Al2O3%
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SiO2%
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Fe2O3%
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Na2O %
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L.O.I %
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α-Al2O3%
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Primary crystal size μm
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A-C-30
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≥99
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≤0.02
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≤0.02
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≤0.5
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≤0.1
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≥93
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3.0±1
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A-C-30A
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≥99
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≤0.04
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≤0.02
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≤0.5
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≤0.1
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≥93
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2.5±1
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4. Packing specification
50kg/bag、1000 kg/bag.