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Alumina Disc

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Beijing

  • Validity to:

    Long-term effective

  • Last update:

    2017-11-29 19:44

  • Browse the number:

    241

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Company Profile

Hangzhou JWG Technology Co.Ltd

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Contact: tugao(Mr.)  

Email:

Telephone:

Phone:

Area: Beijing

Address: Add: Rm 1319, Meidu Plaza, 789# Moganshan Road, Hangzhou, Zhejiang, 310011, China

Website: http://www.ceramic-metal-part.com/ http://tugao.woaiqiqiang.com/

Product details

Alumina Disc 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