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Alumina powder for polishing

Zhengzhou Xinli Wear-Resistant Co. Ltd. takes the selected industrial grade alumina powder as the main material to manufacture the alumina powder for polishing. It is processed by constant temperature melting through the 170 meters tunnel kiln. The product is heated evenly, the crystal conversion rate is up to over 99.5%.

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Zhengzhou Xinli Wear-Resistant Co. Ltd. takes the selected industrial grade alumina powder as the main material to manufacture the alumina powder for polishing. It is processed by constant temperature melting through the 170 meters tunnel kiln. The product is heated evenly, the crystal conversion rate is up to over 99.5%.

Properties

  • Product Status:
  • White Powder
  • Hardness:
  • 2100kg/mm2
  • Molecular Weight:
  • 102
  • Melting Point:
  • 2010℃-2050 ℃
  • Boiling Point:
  • 2980℃
  • Water Soluble:
  • Insoluble In Water
  • density:
  • 3.0-3.2g/cm3
  • Relative Density:
  • /
  • Average Particle Size:
  • /
  • Content:
  • 99.7%

Advantages

  • Through the airflow mill and five layer classification, the grain size distribution is narrow, the grinding efficiency is high, the polishing effect is good, the grinding efficiency is much higher than the soft abrasives such as silica.
  • Good particle appearance, the surface of the object to be polished has a high degree of smoothness, in the last fine polishing procedure, the effect of the grinding and polishing is better than white corundum powder.

Application

  • 01

    Widely used in the grinding and polishing of semiconductors, crystals, aluminum, steel, stainless steel, stone, glass, etc.

  • 02

    Especially suitable for the mirror effect grinding and polishing of stainless steel, copper, other metal materials, and the glass industry.

Alumina powder for polishing specifications

Grains 0.3μm, 0.5μm, 0.7μm, 1.0μm, 1.5μm, 2.0μm, 3.0μm, 4.0μm, 5.0μm
Specifications AI2O3 Na2O D10(um) D50(um) D90(um) The original crystal grain specific surface area(m2/g)
0.7um ≥99.6 ≤0.02 ＞0.3 0.7-1 ＜6 0.3 2-6
1.5um ≥99.6 ≤0.02 ＞0.5 1-1.8 ＜10 0.3 4-7
2.0um ≥99.6 ≤0.02 ＞0.8 2.0-3.0 ＜17 0.5 ＜20

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