Jinzhou Yunxing Industrial Ceramics Co., Ltd.
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Contact Us
  • Contact Person : Ms. Zhang Cherry
  • Company Name : Jinzhou Yunxing Industrial Ceramics Co., Ltd.
  • Tel : 86-416-4189008
  • Fax : 86-416-7173111
  • Address : Liaoning,Jinzhou,9 Weimin Road, Fantun Village, Yingpan Town, Taihe District, Jinzhou City, Liaoning Province, P.R.China
  • Country/Region : China
  • Zip : 121017

alumina crucible

alumina crucible
Product Detailed
Related Categories:Other Lab Supplies
The size ranges from 2mm to 110mm for O.D., and the length is from 1mm to 1750mm

We mainly produce alumina tubes, rods and various industrial ceramic parts, which are mainly used in thermalcouple temperature, liquid steel continous temperature, various industrial furnace(containing vacuum furnace, carburizing furnace, wire furnace, atmosphere furnace etc), especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry.

Serial number

performance index

Measuring unit

High purity alumina

Alumina

High alumina

1

Al2O3

%

99.7

99.3

85

2

SiO2

%

less than0.1

3

Density

g/cm3

3.95

3.88

3.2

4

Wter absorption

%

0

0.01

0.2

5

Cld compressive strength

MPa

450

350

200

6

20 degree Celsius leak rates

Torr/L.sec

less than10-11

less than10-11

less than10-11

7

Twisting in high temperature

mm

1700 degree Celsius 0.2 allowance

1600 degree Celsius 0.2 allowance

1400 degree Celsius 0.2 allowance

8

Bonding in high temperature

 

1700 degree Celsius non-caked

1600 degree Celsius non-caked

1400 degree Celsius non-caked

9

20—1000 degree Celsius coefficient of

thermal expansion

mm.10-6/degree Celsius.m

8.6

8.2

8.2

10

Thermal conductivity

W/m.k

25

25

25

11

Electric insulation strength

KV/mm

20

20

15

12

20 degree Celsius direct current

insulating resistance

Ohm/cm

1014

1014

1014

13

High-temperature

insulation resistance

1000 degree Celsius MΩ

≥0.08

≥0.08

≥0.08

1300 degree Celsius MΩ

≥0.02

≥0.02

≥0.02

14

Thermal shock resistance

 

1550 degree Celsius 6 times not cracked

1550 degree Celsius 6 times not cracked

1300 degree Celsius 3 times not cracked

15

Maximum service temperature

degree Celsius

1900

alumina crucible



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