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Purpose:

Alumina Crundum Crucible

Variety specifications and detailed parameters:

Characters of alumina crucible:

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

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

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

4. High density of slip casting, high purity alumina crucible, specifications of 99% corundum crucibles: 5ml 10ml 15ml 20ml 25ml 30ml 50ml 100ml 150ml 200ml- 2500ml.

 

 

Feature

 

1.Products using a temperature of 1200-1800 degrees

2.Product density, thermal shock resistance, acid and alkali resistance, erosion resistance, long life

3.Vacuum furnace tube within 1800 according to feedback, service life of up to 100 times, the tin groove

tube using the service life of 6 years.

4.High purity: Al2O3>99%, resistance to chemical corrosion.
5.Good temperature resistance, used in 1600 °C, 1800 °C short-term
6.Good thermal shock resistance, not easy to burst
7.Injection molding of high density of high purity alumina crucible

 

 

High Alumina ceramic crucible is used for testing laboratory and a variety of industrial analysis.  Alumina ceramic crucible and corundum crucible include: arc alumina crucible, square alumina crucible, rectangle alumina ceramic crucible, column ceramic crucible and a variety of shaped alumina ceramic crucible.

 

Material

65 Al2o3

75 Al2o3

80 Al2o3

85 Al2o3

90 Al2o3

95 Al2o3

99 Al2o3

Al2o3

65%

75%

80%

85%

90%

93%

99.3%

Fe2o3

≤ 4

≤ 2

≤ 1.5

≤ 1.0

≤ 0.5

≤ 0.5

≤ 0.3

Desnsity: g / cm3

2.8

3.10

3.20

3.40

3.50

3.60

3.85

Vickers Hardness

7.5

≤ 7.8

≥ 8

≥ 8.6

≥ 8.8

9

9

Water Absorption:%

≤ 4

≤ 1

≤ 0.5

≤ 0.2

≤ 0.1

≤ 0.085

≤ 0.01

Refractoriness:°C

1300 °C

1400 °C

1450 °C

1580 °C

1600 °C

1650 °C

1800°C

Flexural Strength:Mpa

80

100

150

180

200

240

280

Wear Rate( at room

 temperature, erosion,

100 grinding)%

≤ 5

≤ 4.5

≤ 3.5

≤ 3

≤ 2.5

≤ 1

≤ 0.5