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Spherical Alumina
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Spherical Alumina

・ A product with high thermal conductivity manufactured with specialized technology. .
・ Applicable as a heat radiative material and also a filler in order to improve thermal conductivity of various types of resins .

Features

  • - High spheroidizing rate
  • - High thermal conductivity
  • - High abrasion resistance
  • - High filling rate
  • - High fluidity

Purposes

  • - Heat radiative filler for TIM
  • - Filler for Potted resins (e.g. semiconductor/LED)
  • - Filler for heat spreader
  • - Material for heat radiative PCB
  • - Filler for other functional resins

Quality characteristic

  DSP-AN Series DSP-AS Series DSP-AE Series
AN05 AN15 AN50 AS05 AS15 AS50 AE05 AE15 AE50
Mean Particle Diameter [㎛]   5 15 50 5 15 50 5 15 50
Specific Surface Area [㎡/g] 0.4 0.3 0.2 0.4 0.3 0.2 0.4 0.3 0.2
Chemical Composition Al2O3 [%] 99.8 ＜ 99.9 ＜ 99.99 ＜
Free Na+ [ppm] 50 ＞ 10 ＞ 5 ＞
ree Cl- [ppm] 5 ＞ 2 ＞ 2 ＞

Particle-size distribution