Alumina Crucible Tap-Out Cone Refractory Material
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Name | Alumina ceramic crucible |
AL2O3(%) | 95 |
Surface of the contact rate(%) | 70-80 |
Density(g/cm3) | >3.7 |
Water Absorption(%) | 0 |
Bending strength(Mpa) | >350 |
Max operation temperature(°C) | >1700 |
We can make various crucibles and saggers made of high alumina,with different shapes.And we can also custom based on the requirement.
Alumina products are fragile. Please handle them carefully and avoid collision during unpacking, transportation, handling and cleaning.
Check whether any micro-cracks exist before using alumina products. Products with micro-cracks should not be used.
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.
Do not load too many materials in alumina crucibles, which can increase the possibility of uneven heating.
Alumina crucibles are sensitive to thermal shock. Try to warm up the furnace chamber slowly. A heating rate of 150°C/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.
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 maintain 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.
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Alumina Crucible Tap-Out Cone Refractory Material
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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