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Beryllium Oxide Ceramic

Beryllium oxide ceramics offer many benefits over competing materials. They can be nine times more thermally conductive than aluminum nitride (AlN) ceramic, a commonly used alternative. Additionally, BeO has a thermal conductivity of up to 325 W/(m•K), meaning beryllia can be up to 80 percent more thermally conductive than AlN materials. Beryllium oxide ceramic is more chemically stable than AlN ceramics in environments containing oxidizing chemicals.

Product Features:

High strength over a wide temperature range
High hardness
Low friction coefficient
Excellent wear resistance
Good heat resistance
High operating temperature
Good chemical resistance

Product Parameters:

Parameter Unit Value
Density g / cm3 ≥2.85
BeO purity % ≥99
Bending strength MPa ≥170
Linear expansion coefficient 20℃-500%℃ × 10 ⁻⁴ /℃ 7-8.5
Thermal conductivity 40℃ W / m ∙ ° K ≥250
Specific heat 25℃ J / Kg ° C 720
Dielectric constant 1MHz 20℃ 6.5-7.5
10GHz 20℃ 6.5-7.5
Dielectric loss tangent 1 MHz 20℃ × 10 ⁻⁴ ≤4
10 GHz 20℃ × 10 ⁻⁴ ≤8
Resistivity 100℃ Ω cm ≥1013
300℃ Ω cm ≥1010
Dielectric strength DC KV / mm ≥15
Chemical stability 1: 9HCl μg / cm² ≤0.3
10% NaOH μg / cm² ≤0.2
Maximum working temperature 1800

Application and After-Sales Service:

The beryllium oxide ceramic is widely used in high-power microwave devices , electronics packaging component, power electronic device, power thick film hybrid integrated circuit , electro vacuum technology, nuclear technology and so on.

Our beryllium oxide ceramic are exported to USA, Canada, Europe, and South America and Southeast Asia.

After-sales service:

Accept any repair of the product, help to improve technology for customer. And also provide long-term technical help and support for you.

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