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Current location: home >> Product Show >> air heater ceramic accessories-A008
 

名称

单位(计量)

滑石瓷

95-97瓷

99瓷

99.7瓷

黑钛瓷

黄钛瓷

材料

 

滑石

Al2O395-97%

Al2O3 >99%

Al2O3 >99.7%

TiO295%

TiO295%

颜色

 

白色

白色,象牙色,粉红色,红色,肉红色

象牙色,粉红色,

象牙色,粉红色,

黑色

黄色

密度

g/cm3

2.7

3.7

3.85

3.9

4.0

4.0

抗弯强度

MPa

150

300

340

390

70

70

抗压强度

MPa

900

3,400

3,600

3,900

600

600

弹性模量

GPa

120

350

380

390

-

-

抗冲击强度

MPa m1/2

-

4.0

5.0

5.2

-

-

维尔系数

M

-

10

10

12

-

-

维氏硬度

HV0.5

-

1,800

1,900

2,000

900

900

热膨胀系数

10-6K-1

6.0-9.0

5.0-8.3

5.4-8.3

5.5-8.4

8.5

8.5

导热系数

W/mK

2.0-2.5

24

27

28

25

25

热震稳定性

△T℃

100

250

270

280

-

-

最高使用温度

1,200

1,600

1,650

1,700

-

-

20℃体积电阻

Ωcm

>1013

>1014

>1014

>1015

<102

>1010

绝缘强度

kV/mm

20

20

25

30

-

-

显气率

%

0

0

0

0

0

0

介电常数

εr

+160/+70

10

10

10

-

-

介质损耗角

tanδ

-

0.001

0.001

0.0005

-

-

 

 
air heater ceramic accessories-A008
 
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