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Engineering ceramic alumina (Al2O3)-Alumina 99.9%
Engineering ceramic alumina (Al2O3)-Shimizu Shokai Co., Ltd.

Engineering ceramic alumina (Al2O3)
Shimizu Shokai Co., Ltd.

Shimizu Shokai Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

8.5hours

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About This Product

■Summary

Alumina is a relatively inexpensive ceramic material with good workability. It has excellent electrical insulation properties, and has properties such as heat resistance, abrasion resistance, chemical resistance, and mechanical strength. It is characterized by relatively high thermal conductivity and high versatility. Shimizu Shokai handles various grades of alumina, including plate and tube shapes. Metallization processing is also possible on alumina substrates.

■Characteristics of alumina (Al2O3)

・High heat resistance (approximately 1,500℃) and relatively high thermal conductivity. On the other hand, it has a high coefficient of thermal expansion and is weak in thermal shock resistance. ・It has very good corrosion resistance (chemical resistance) and is not easily attacked by most acids and alkalis. ・High strength, high hardness, and excellent wear resistance. ・Excellent electrical insulation - High rigidity, well-balanced mechanical properties, relatively inexpensive, and highly versatile.

■Uses of alumina (Al2O3)

Transfer arms, vacuum chucks, mechanical seals, pump parts, true spherical balls, other semiconductor manufacturing related parts, plasma countermeasures, CVD, PVD, etchers, insulators, reactor core tubes, alumina tubes

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    Engineering ceramic alumina (Al2O3)

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3 Models of Engineering ceramic alumina (Al2O3)

Click on the part number for more information about each product

Image Part Number Price (excluding tax) Dielectric constant 1MHz Color Thermal shock resistance (℃) Linear expansion coefficient RT~800℃ Linear expansion coefficient RT~600℃ Linear expansion coefficient RT~200℃ ( ×10^-6/℃) Dielectric strength (kV/mm) Hardness (HV) (Gpa) Fracture toughness (Mpa・m1/2) Thermal conductivity 20℃ ( W/ ( m・K) ) Specific heat RT ( J/ ( kg・K) ) Maximum operating temperature Oxidizing atmosphere (℃) Bending strength 20° (Mpa) Bulk density ( g/cm3) Compressive strength (Mpa) Volume resistivity 20℃ (Ω・cm) Main component Young's modulus (Gpa) Poisson's ratio Dielectric constant 3GHz Dissipation factor 3GHz ( ×10^-4) Dissipation factor 1MHz ( ×10^-4)
Engineering ceramic alumina (Al2O3)-Part Number-Alumina 99.9%

Alumina 99.9%

Available upon quote

10

Milky white

200

7.9

7.5

5.3

10

17

4

30

780

-

480

3.9

-

>10^14

Al2O3 99.9

400

0.24

10

- -
Engineering ceramic alumina (Al2O3)-Part Number-Alumina 99.5%

Alumina 99.5%

Available upon quote

10

Milky white

200

8.6

7.3

5.4

10

14

4

30

780

1,500

400

3.9

2,350

>10^14

Al2O3 99.5

370

0.24

10

4

30

Engineering ceramic alumina (Al2O3)-Part Number-96% alumina

96% alumina

Available upon quote

9.5

White

150

8

7.8

7.3

10

13

3.5

Twenty one

780

1,500

320

4

2,100

>10^14

Al2O3 96

300

0.23

- - -

Click on the part number for more information about each product

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About Company Handling This Product

Response Rate

100.0%


Response Time

8.5hrs

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