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Aerospace / Microelectronics Industry Beryllium Oxide Ceramic

Categories Kiln Refractory Bricks
Brand Name: Rongsheng
Model Number: Refractory Brick
Certification: ISO9001
Place of Origin: Henan China
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Aerospace / Microelectronics Industry Beryllium Oxide Ceramic

Beryllium Oxide Ceramic


We mainly produce beryllium oxide, boron nitride, silicon carbide, corundum mullite ceramic, A-75 ceramic, A-95 ceramic, A-96 ceramic, A-99 ceramic and other ceramic products, which are widely used in aerospace, microelectronics, optoelectronics, communications, electric vacuum and power electronics industries, among which the production technology of beryllium oxide ceramics represents the highest level in China, and the product performance indexes reach the world advanced level.


Technique Data of Beryllium Oxide Ceramic


ItemTest ConditionsSpecificationUnit
B-97B-99
Dielectric Constant1MHz6.9士0.46.9士0.4
(10士0.5)GHz
Dielectric Loss Tangent1MHz≤4X 10-4≤4X 10-4
(10士0.5)GHz≤8X 10-4≤8X 10-4
Volume Resistivity25℃≥1014≥1014Ω.cm
300℃≥10"≥10"
Breakdown StrengthD C≥15≥20kV/mm
CMOR-≥170≥190MPa
Average Linear Expansion Coefficient25℃~500℃(7.0~8.5)*10-4(7.0~8.5)*10-4I/K
Thermal Conductivity25℃≥200≥240W/m.K
100℃≥160≥190
Thermal Shock Resistance0℃-800℃There should be no cracks
Bulk Density≥2.85≥2.85g/ cm3
Chemical Stability1:9HCL≤0.3≤0.3Mg/cm2
10% NaOH≤0.2≤0.2
Air Tightness-≤10*10-11≤10*10-11Pa. m3/s
Average Grain Size-12~3012~30μm
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