99.9% Alumina Powder
This product is white powder, divided into low-temperature sintered high-purity γ-type alumina and high-temperature sintered high-purity α-type alumina, with a purity of over 99.9%. It has excellent electrical insulation properties, low loss tangent, high mechanical strength, satisfactory chemical stability and high temperature resistance, high thermal conductivity, good stability and high cost performance.
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Product Details


Introduction

This product is white powder, divided into low-temperature sintered high-purity γ-type alumina and high-temperature sintered high-purity α-type alumina, with a purity of over 99.9%. It has excellent electrical insulation properties, low loss tangent, high mechanical strength, satisfactory chemical stability and high temperature resistance, high thermal conductivity, good stability and high cost performance.

Application:

It can be used as electronic ceramic substrates, insulating ceramics, Special raw materials for liquid crystal glass, cover glass, refractory materials, luminescent materials and other industries.

ProductTypical Properties3NG-20B3NG-D2(milled)3NA-20B3NA-D5(milled)
Crystal Structure
γγαα
Average Particle Size(by Bettersize Laser 9300SE)〔D50,um〕15-251-315-253-5
Loose Bulk Density〔g/cm3〕0.55-0.650.30-0.400.70-0.800.50-0.60
BET Surface Area〔m2/g〕45-5560-70≤5≤5
Purity(Al2O3)≥〔%〕99.999.999.999.9
  Impurity≤(by ICP-OES)Na〔ppm〕100100100100
Ca〔ppm〕100100100100
Mg〔ppm〕30303030
Fe〔ppm〕50505050
Si〔ppm〕50505050
Ti〔ppm〕20202020
Cu〔ppm〕20202020
Packing(As per customer’s requests)〔drum/〕25kg20kg25kg25kg

 

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