tubo cerâmico fechado da extremidade do ker 710 para a proteção da ponta de prova do par termoeléctrico

Tech-data

Test conditions

Unit

75%AL2O3

90%AL2O3

95%AL2O3

99%AL2O3

99.5%AL2O3

Density

g/cm3

>3.20

>3.40

>3.60

3.7

3.7

Bending strength

N/m3

1.96×108

2.25×108

2.24×108

>2.24×108

>2.74×108

linear expansibility

20~1000C

×10-6/0C

6

-

-

-

-

20~5000C

×10-6/0C

-

6.3~7.3

6.2~7.5

6.2~7.5

6.2~7.5

20~8000C

×10-6/0C

-

6.3~7.3

6.5~8.0

6.5~8.0

6.5~8.0

specific inductive capacity 

1MH2

≤9

8.5~9.5

9~10

9~10.5

9~10.5

10GMH2

-

-

9~10

9~10.5

-

Dielectric loss value

1MH2

×10-6

≤10

≤8

≤ 4

≤2.5

≤1.5

Tangent

10GMH2

×10-6

-

-

≤10

≤6

-

Volume resistance 

1000C

Ω·cm

>1012

>1013

>1013

>1013

>1014

3000C

Ω·cm

-

>1015

>1016

>1016

>1012

5000C

Ω·cm

-

-

108

109

-

Breakdown Strength

KV/mm

20

15

15

15

-

Thermal conductivity

200C

W/m·K

-

16.8

25.2

25.2

29.2

50% Al2O3

110°C

75% Al2O3

125°C

85% Al2O3

1400°C

95% Al2O3

1500°C

99% Al2O3

1600-1800°C

4*6.5*0.7*700

10*6*1250

15 X 11 X 1000MM

4*6.5*0.7*750

10*7*400

15 X 11 X 500MM

5X 0,7 X 1000MM (4 FUROS)

10*7*500MM

15 X 11 X 700MM

5*0.7*700MM(4 FUROS)

10*7*600

15*10*1100

6 X 4 X 700MM

10*7*650

15*10*1000

7*5*1000

10 *7 *700

17*13*1125

8*5*650

10*7*1030

18*12*1100

8*5*800mm

12*8*1000

20*10*1200

10*6*800

12*8*800

20*10*1200

10*6*1000

13*9*1000

…………..