Alumina Plate

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price: Negotiable
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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-14 22:58
Browse the number: 177
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Alumina Plate specifications 

 

Al2O3      [%]

≈99.8

MgO       [%]

≈0.1

Na2O       [%]

≈0.04

SiO2       [%]

≈0.06

Fe2O3      [%]

≤0.01

specific gravity (g/cm3)

3.93

Vickers hardness(HV)

2000

compressive strength(Mpa)

3900

Bending strength(Mpa)

390

Coefficient of thermal expansion(10-6K-1

5.5~8.4

dielectric strength(Ωcm)

30

polishing (µm)

Ra<0.1

 

 

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