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Electronic Components Business | Translucent Alumina Ceramics HICERAM

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Property(G-30)

Item Unit Property
Color - Translucent White
Crystal - Polycrystalline
Average Grain Size μm 30
Purity (Al2O3) % 99.9
Crystal Structure - α-Al2O3
Specific Gravity - 3.99
Water Absorptlon - 0.0
Hardness (Mohs) - 9
Flexural Strength MPa 300*1
Item Unit Property
Coefficient of Thermal Expansion 1/K 313~473K
313~773K
313~1073K
6.010-6
7.510-6
8.110-6
Thermal Conductivity W/mK 33
Total Ligth Transmittance % 96*2
Volume Reslstlvity Ωm 293K 1014
373K 1014
473K 1013
573K 1011
773K 1010
Dielectric Break Down Voltage kV/mm 20
Dielectric Constant - 10

*1 Method of measurement conforms to JIS R 1601
*2 Inner diameter 8mm. thickness 0.75mm. total length 105mm.

Production Process

Production Process

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