Alumina Ceramic Rod Product

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Product Description:

Specifications

alumina ceramic parts
1.Material: High purity alumina
2.Processed by cold-pressing
3.QA,rush delivery
4.MOQ:500pcs

Name

Unit

Alumina

Zirconia

Content

%

≥95

≥99

≥99.7

≥94

Density

g/cm3

3.60

3.90

3.90

6.00

Hardness (Hv0.5)

GPa

13.1

15.0

17.1

13.2

flexural strength

MPa≥

340

310

370

1000

Elasticity

 GPa

300

330

350

200

Poisson's ratio

0.23

0.23

0.23

0.30

Max Tem.

°C≥

1400

1750

1800

1050

Heat expansion

×10-6/°C(40-800°C)

7.8

8.0

8.0

11.0

Thermo conductivity

W/m·K( 20°C)

22

28

31

2.6

Thermal Resistance

°C

200

200

230

300

dielectric strength

V/m

15×106

15×106

15×106

11×106

dielectric phase angle

(1MHz)

×10-4

4

2

1

16

SIC(1MHz)

9.2

9.8

9.9

33

Nitric Acid

(60%)90°C

WT Loss mg/cm2/day≤

0.12

0.10

0.05

 ≠0

Sodium hudroxide

(30%)80°C

WT Loss mg/cm2/day≤

0.53

0.26

0.04

0.08

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