High AluminFeatures

1.High purity: Al2O3≥99%, high chemical etching resistance;

2.Temperature tolerance, at 1600°C for long term application, and at 1800°C for short term application;

3.Resistant to sudden cold and hot, un-explosive;

4.High density of slip casting, high purity alumina crucible

5.Specifications of crucibles: 5ml 10ml 15ml 20ml 25ml 30ml 50ml 100ml 150ml 200ml- 2500ml.

Ceramic Crucible  Properties

Unit

95%

99%

Density

g/cm3

3.6

3.8

Water absorption

%

<0.4

Firing temperature

°C

1600

Hardness

HRA

70

Coefficient of linear expansion

*10-6/°C

5.5

<0.2

Dielectric constant

9

1800

Volume resistivity

Ω·cm

—

80

Breakdown voltage

KV/mm

14

5.3

Breaking strength

Mpa

250

10.5