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Alumina Powder

High purity alumina powders are known for their high melting point, hardness, chemical inertness, electrical insulation, and thermal conductivity.  High purity alumina powders are essential in a wide range of high-tech applications including:

  • Sapphire and ruby crystal growth
  • LED substrates and phosphors
  • Advanced ceramics and ceramic substrates
  • Lithium battery separator coatings
  • Thermal interface materials
  • Semiconductors and electronic components
  • Polishing and abrasives for precision optics and metals

At AdValue Technology, we offer a wide range of alumina powders for diverse applications.  Both alpha and gamma alumina powders are available. Particle size can range from sub-micron particles to 500 microns.  The purity level of our alumina powders range from 99.9%, 99.99%, 99.995% to 99.999%.

We stock several grades of alumina powders and also supply a broad selection on a custom-order basis, tailored to your specific application needs.

Alumina Powder In Stock

SKUPictureProduct NameSpecsDescriptionMSDS PDFMore InfoPriceQty
ALO-5NAlumina PowderPurity 99.999%, Particle Size (D50) 16~22 µmproduct pdf
product info
$76.53/kg (1~19 kg)
Contact for quote
(=20kg)
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product info
ALO-5N-4Alumina PowderPurity 99.999%, Particle Size (D50) 6.4 µmproduct pdf
product info
$82.10/kg (1~19 kg)
Contact for quote
(=20kg)
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product info
ALO-4N5Alumina PowderPurity 99.995%, spray-dried, primary particle size: D50 <0.4 µmproduct pdf
product info
$93.77/kg (1~19 kg)
Contact for quote
(=20kg)
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product info
ALO-4N-2Alumina PowderPurity 99.99%, Particle Size (D50) 6.4 µmproduct pdf
product info
$43.55/kg (1~19 kg)
Contact for quote
(=20kg)
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product info

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The quick, brown, classic rose, and bossanova fox jumped over the lazy dog.

Have Questions? We’re Ready to Help!

Whether you’re within or outside the U.S., our expert team is ready to assist you with any product or technical inquiries. Explore our wide selection of materials for high temperature, high purity and abrasive applications. 
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