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Bd- ¾Ë·ç¹Ì³ª »þ°Å(Alumina-Sagger]

 

 

   

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:   Bd- ¾Ë·ç¹Ì³ª »þ°Å(Alumina-Sagger]

 

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:   CRU-ALU-SAG

 

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Composition

UNIT

AL60

AL95

AL98

AL2O3 content

%

96

99.5

99.8

Color

White

Ivory

Ivory

Tensile strength

§¸f/§±

32

38

36

Flexural strength

§¸f/§±

52

55

54

Compressive strength

§¸f/§±

300

377

350

Density

g/§¨

3.70

3.90

3.92

Hardness

HV, GPa

13.8

17.2

18

Thermal Conductivity

W/(m K)

25

30

30

C.O.T.E.

In / In¡ÆC (x10^-6)

7.7

7.8

7.8

Working temperature

¡ÆC

1500

1650

1750

Dielectric Constant

§¸f/§± 

9.5

9.7

9.8

Volume Resistivity (25¡ÆC)

Ohm-cm

>10^14

>10^14

>10^14