Ceramic Tubes,Disc and Bobbins
| Alumina Ceramics |
IC 60 |
IC 80 |
IC 95 |
IC 99.5 |
| Chemical Analysis |
| AL203 Min |
60 |
80 |
95 |
99.5 |
| Sio3 Max |
35 |
18 |
3 |
0.20 |
| Fe2O3 Max |
0.50 |
0.30 |
- |
- |
| Na2O Max |
1 |
1 |
0.50 |
0.20 |
| Physical Properties |
|
|
|
|
| Colour |
White |
White |
Ivory/ White |
Pink/Ivory/ White |
| Sp.Gr. – gms/cc |
2.80 |
3.20 |
3.80 |
3.90 |
| Water Absorption |
0 |
0 |
0 |
0 |
| Max.Service Temp –0 C |
1450 |
1550 |
1650 |
1800 |
| Gas Permeability |
Nil |
Nil |
Nil |
Nil |
| Hardness R45N |
68 |
72 |
83 |
83 |
| Chemical Resistivity |
Good |
Good |
VeryGood |
Excellent |
| Co-eff. Of Thermal Expansion – Linear Coefficient |
| (RT-14000 C) x 10-6 /0C
Max. |
- |
- |
8.0 |
8.3 |
| Flexural Strength N/mm2 |
210 |
280 |
350 |
365 |
| Tensile Strength N/mm2 |
- |
- |
188 |
260 |
|
| The Values are obtained from standard bars & cubes, Data on other shapes shall differ, the data should not be taken as a specification but for general guidance only |
|
| Products Manufactured |
Sizes |
| Thermocouple Protection Tube (One end closed) |
4mm to 250mm |
2 meters |
| Tubes (both ends open) |
1mm to 250mm |
2 meters |
| Beads (sleeve) single & multiple bore |
1mm to 25mm |
2 meters |
| Bushes, Nozzles, Rods Sleeves |
Customer Specified |
| Ferrules as per specification |
Customer Specified |
| Crucibles, Combustion Boats, Combustion Tubes |
Customer Specified |
| Custom Designs & Special Shapes for specific
applications |
|
| |
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