Alumina Aluminum Oxide Al2O3 Ceramic Rods Shafts with Screws

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Guangzhou
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TT OR LC
Min Order Qty:
100 pc
Supply Capability:
1000 pc/month

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Product Description:

 

Product Description

 

This screw rod is made from 99.5% alumina ceramic materials, the use of dry pressing process makes the rod obtain high density and good flexural strength, resulting in better acid corrosion.

On the threaded portion, we use the machining way to make more precise thread size. The thread out of Such processing will get the same accuracy and with metal thread.

We can manufacture products according to your needs, the more common specification is 271mm, below are some of our existing specification.

M6*190, M6*215, M6*247, M6*271, M6*285, M6*296, M8*160, M8*190, M8*215, M8*241, M8*271, M8*285, M8*296

Product Feture


Thermal conductivity
Good strength and hardness
Good resistance to wear and corrosion
Electrical insulation (DC to GHz frequencies)
Temperature resistance up to 1700° C
Mechanical and electrical properties
Resistance to all gases except wet fluorine
Resistance to all common reagents except hydrofluoric acid and phosphoric acid

 

Application

 

Insulators, Insulating Varnish

 

Data Sheet

 

Characteristics

Unit

95 Al2O3

99 Al2O3

ZrO2

GPSi3N4

BN

Glass Ceramic

Crystal Structure

-

hexagonal

hexagonal

tetragonal

hexagonal

hexagonal

-

Color

-

white

ivory

white

gray

white

white

Density

g/cm³

3.65

3.88

5.95

3.22

2.26

2.55

Water Absorption

%

0

0

0

0

0.0-1.0

0

Young's Modulus

Gpa

280

350

205

295

670

65

Vickers Hardness

Gpa

14

20

12

18-20

-

-

Flexural Strength

Mpa

280

300

900

650

51

100

Compressive Strength

Mpa

2000

2500

2200

2200

230

500

Thermal Conductivity 

W/(m•K)

18-25

30

2.2

25

20

1.70

Thermal shock resistance

ΔT(C°)

220

180-200

280-350

450-650

>1500

25-100

Max. Working Temperature 

1500

1700

850

1200

960

800

Volume Resistivity

Ω . cm

>10^15

>10^14

>10^12

>10^14

10^13

10^16

Dielectric Constant

-

9.50

9.80

26

8.20

4.08

6.02

Dielectric Strength

kV/mm

16

22

-

16

375

40
 

 

FAQ

We have organized several common questions for our clients, may help you sincerely

 

--------What is the application of Alumina Ceramic Rod?

It will be used in Insulators, Insulating Varnish

---------What advantages of Alumina Ceramic Rod?

Good strength and hardness
Good resistance to wear and corrosion
Electrical insulation (DC to GHz frequencies)
Temperature resistance up to 1700° C
Mechanical and electrical properties
Resistance to all gases except wet fluorine
 

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