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Alumina Crucible (UK)
Alumina Crucible (UK)
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Alumina Crucible (UK)

Part Number  P-30 Alumina Crucilbe
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Description

 ALUMINA CRUCIBLE CATALOGUE


Alumina Crucible

Temp.: 1750C

Alumina (Al2O3) has a wide application due to its versatility and low material cost. Alumina possesses a high melting point, strong hardness, and good chemical stability, making it a good material to withstand high temperature and chemical corrosion. Alumina Crucibles are available in many sizes and shapes.


 

Alumina Crucible (1750 Degree Celsius)


Item Code

Volume (ml)

Upper OD (mm)

Bottom OD (mm)

Height (mm)



AC-15

15

35

25

33


AC-25

25

40

25

36


AC-30

30

40

23

37


AC-200

200

69

44

75


AC-250

250

72

44

76


AC-350

350

81

49

86


AC-500

500

101

98

112


 


Special Size Also Available.



Also Available Alumina Boat & Other Alumina labware.


Why choose alumina products?


High purity alumina products can withstand very high temperature under reducing, inert or high vacuum 
condition. They remain good chemical resistance under high temperatures, and have excellent wear and abrasion resistance.

What's the highest temperature that 99.9% alumina products can withstand?


Alumina products can withstand up to 1750C (3182F).


What should I pay attention to when I use alumina products?



1. Alumina products are fragile. Please handle them carefully and avoid collision during unpacking, transportation, handling and cleaning.


2Check whether any micro-cracks exist before using alumina products. Products with micro-cracks 
should not be used.


3. Alumina products should be completely dry before usage. If they get wet, let the crucible or tube dry 
naturally before using them. If dry crucibles by placing in a dryer or oven, make sure that the dry process goes slowly.


4. Do not load too many materials in alumina crucibles, which can increase the possibility of uneven heating.


5. Alumina crucibles are sensitive to thermal shock. Try to warm up the furnace chamber slowly. A heating 
rate of 150C/hour is recommended for the first 1-1.5 hours so that the crucibles can be evenly heated to reduce the impact of thermal shock. It usually takes about 3 hours to increase to high temperature.


6. Lower the temperature as gradually as possible. The cooling down rate is often half of the heating rate. If possible,arrange for consecutive heating of furnace to maintains a hot crucible. If taking the crucibles out of furnace into room temperature to pour the melted material, try to control the process as short as possible.

7. Avoid contact of heated alumina products with a cold surface. Use insulation materials as support of alumina crucibles.

Also available all customized sizes, in cylindrical, conical shape according to requirement.


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