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Alumina Ceramic Rods

Alumina Ceramic Rods

Material : Alumina Ceramic
Purity : 90-99.8%
Density : 3.60-3.95 g/cm3
Hardness : 8.0-9.0 Mohs
Max. Service Temperature : 1,200-1,650℃
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Product Introduction

Alumina Ceramic Rods Manufacturer

Alumina ceramic rods are made of Aluminum Oxide (Al2O3), often abbreviated as alumina, which is one of the world's most popular families for high performance technical ceramic materials. Coarse and dense alumina, which includes a range of qualities that are mainly of purity, is considered to be one of the best materials in terms of value for money. Alumina ceramics can then serve one of the widest industrial cross-sections of all oxide ceramics on the market.

Extremely high purity (max. 99.8%) Alumina grades can be produced using a selection of bonding and forming techniques (mixing, casting, pressing, etc.) to obtain a highly wear- and corrosion-resistant ceramic suitable for various applications. These properties can be mitigated and modified with a variety of additives and additional components, which are also available with a selection of adhesive solutions (cement, oxide, sinter, etc.).

 

General Features

√ Low Dielectric Constant

√ High Corrosion Resistance

√ Excellent Electrical Insulation

√ High Hardness, Wear Resistant  

√ Maximum Using Temp. 1,800 ℃

√ Low Cost Fine Ceramic Material

 

Technical Characteristics

ITEM

UNIT

ALUMINA | A950

ALUMINA | A990

Main Content

-

95% Al2O3

99% Al2O3

Color

-

White

Ivory

Density

g/cm3

3.70

3.85

Vickers Hardness

Gpa

14

17

Flexural Strength

Mpa

310

360

Compressive Strength

Mpa

2,200

2,500

Electrical Resistivity

Ω·cm

>1014

>1014

Dielectric Strength

KV/mm

15

17

Dielectric Constant

1 MHz

8

9

Thermal Conductivity

W/m.K

25

29

Max. Working Temperature

1,500

1,650

Resistance to Thermal Shock

△T(℃)

210

230

Thermal Expansion Coefficient (25 - 1,000 ℃)

10-6/K

7 - 9

7 - 9

∆ The above data is offered for reference and comparison only, exact data will vary depending on manufacturing method and part configuration.

 

UNIPRETEC has a deep understanding of the chemical behavior of advanced engineering ceramics and manufactures a wide and versatile range of alumina rods / Al2O3 rods that routinely meet customer requirements. The extensive chemical availability of aluminum oxide rod makes it an extremely versatile fine ceramic suitable for demanding conditions and applications. As a result, aluminum oxide ceramic rod can be customized for high performance under extremely demanding conditions and applications.

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