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99% Al2O3 Ceramics

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    Negotiable

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  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Beijing

  • Validity to:

    Long-term effective

  • Last update:

    2017-10-09 03:29

  • Browse the number:

    379

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Company Profile

Hangzhou JWG Technology Co.Ltd

By certification [File Integrity]

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.titdyd.com/

Product Details

99% Al2O3 Ceramics

99% Al2O3 Ceramics are extensively used as motor shafts, nozzle, bushing, bearing,guides and  rollers in mechanical and textile industry with its excellent hardness and wear-resistance.

99% Al2O3 Ceramics  specifications

AL2O3

99%

MgO

0.8%

Na2O

<0.15%

SiO2

<0.018%

Y2O3

<0.02%

Fe2O3

<0.02%

TiO2

<0.006%

CaO

<0.005%

Specifications of 99% Al2O3 ceramic

Items

Test condition

Unit

Average grain size

µm

3 - 5

Density

g/cm3

=3.85

Water absorption

%

0

Hardness (Vickers)

HV0.5

=1900

Flexual strength

Distance between bending points 80mm

MPa

=340

Compressing strength

MPa

3600

Linear thermal expanding coefficient

20-500?

1x106 mm/?

6.5 – 7.5

20-800?

6.5 - 8.0

Thermal conductivity

20?

W/(m.K)

=24

Dielectric strength

KV/mm

=12

Volume resistivity

300?

O.cm

=1011

Dielectric constant

1MHz

9.3-10.6

Dielectric loss

1MHz

3x10-4

Thermal shock resistance

850?

times

=7

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