factory of white aluminum oxide since1999
exported for 11years
free samples,aftersales service offered
hot in India,Isran,Russia
exported for 11years
free samples,aftersales service offered
hot in India,Isran,Russia
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Physical properties
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Chemical compositions
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Value of specifications (%)
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Hexagonal
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Al2O3
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≥99.55
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Main crystal body: Al2O3
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Color: white
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Na2O
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≤0.4
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Grain density ≥3.9 g/cm3
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Bulk density 1.75-1.95 g/cm3
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SiO2
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≤0.01
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Morse hardness 9
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Linear expansion coefficient(1/℃) 8.3x10-4
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Fe2O3
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≤0.03
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Loss on ignition(%) ≤0.06
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White fused alumina size w1-w63
Suitable for various precision instrument parts polishing, ultra-precision machine tool spindle grinding and polishing crystal, super oil stone manufacturing, ball polishing, etc. Widely used in the polishing of electronics, optical instruments, glasses, bearing, quarts crystal, and advanced refractory material.
Details:
1. High hardness, particle density, good single particle roundness;
2. White, no impurities, ensuring wear-resistant layer or wear on paper color and transparency;
3. Particle size distribution concentrated, single single-particle form, minimum amount with maximum effect
Selected from the melting temperature by more than 2000 degrees well made of quality white fused alumina as raw material, its chemical stability and acid and alkali effect does not occur, small shrinking