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Ceramic Fibre Blankets |
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AVAILABILITY
Standard sizes: 610 mm width X 7300 mm length
610 mm width X 3650 mm length
for 38 & 50 mm thick
1220 mm width X 7300 mm length
610 mm width X 14640 mm length
for 6 & 12 mm thick |
FEATURES
• Excellent insulating performance
• Excellent thermal stability
• Low heat storage
• Resistance to thermal shock
• Good sound absorption
• Unaffected by most chemicals except hydrofluoric and phosphoric acids and strong alkalies |
Refractory fibre Blankets |
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| Applications |
• Furnace & kiln linings
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• Boiler insulations |
• Reformer & heater lining |
| • Coke oven hot repair |
• Expansion gap |
• Duct and Pipe linings |
| • Thermal barriers for automotive industry |
• Die cut shapes for automobiles |
• Steam and Gas turbines insulation |
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| Classification temperature: |
| STD BLANKET : 1260° C
AZS BLANKET : 1425° C
Cerablanket : 1260° C
Cerachem Blanket : 1425° C |
| The Maximum use temperature depends on the application. In case of doubt, refer to MMTCL Technical service for advice. |
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| Description |
Refractory blankets are available in roll form in a wide Variety of densities and thicknesses. All blankets are made from long refractory fibres, binder free and are needled. They have excellent strength before and after heating. All blankets have excellent chemical resistance unaffected by all chemicals except hydrofluoric acids and strong alkalies. |
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| MAIN PROPERTIES |
| Physical Properties |
STD Blanket |
AZS Blanket |
Cerablanket |
Cerachem Blanket |
| Classification temperature 0C |
1260 |
1425 |
1260 |
1425 |
| Chemical composition (%) |
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| Al2O3 |
43 - 47 |
32 - 36 |
42 - 46 |
33 - 37 |
| SiO2 |
53 - 57 |
44 - 48 |
54 - 58 |
48 - 52 |
| ZrO2 |
- |
16 - 19 |
- |
13 - 17 |
| Fe2O3 |
0.1 |
0.1 |
0.1 |
0.1 |
| CaO + MgO |
0.08 |
0.08 |
0.08 |
0.08 |
| Na2O + K2O |
0.40 |
0.40 |
0.40 |
0.40 |
| Tensile strength (kgf/m2) |
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| 64 kg/m2 |
1200 |
1200 |
2500 |
2500 |
| 96 kg/m3 |
2000 |
2000 |
4500 |
4500 |
| 128 kg/m3 |
3000 |
3000 |
6000 |
6000 |
| 160 kg/m3 |
4000 |
4000 |
7000 |
7000 |
| 190 kg/m3 |
5000 |
5000 |
7500 |
7500 |
| Linear shrinkage % - 24 hrs Max |
3.2 12000C) |
3.5 14000C) |
3.0 (12000C) |
3.5 (14000C) |
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| Thermal conductivity w/mk |
STD Blanket/AZS Blanket |
STD Blanket/AZS Blanket |
STD Blanket/AZS Blanket |
Cerablanket/
Cerachem
Blanket |
Cerablanket
/Cerachem
Blanket |
Cerablanket/
Cerachem
Blanket |
| Densities kg/m3 |
64 |
96 |
128 |
64 |
96 |
128 |
| 4000C |
0.12 |
0.09 |
0.08 |
0.12 |
0.11 |
0.10 |
| 6000C |
0.20 |
0.14 |
0.13 |
0.20 |
0.16 |
0.15 |
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| Thickness (mm) |
Density |
Density |
Density |
Density |
Density |
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64 |
96 |
128 |
160 |
190 |
| 6 |
- |
|
X |
X |
X |
| 8 |
- |
X |
X |
X |
X |
| 12 |
- |
X |
X |
X |
X |
| 19 |
X |
X |
X |
X |
X |
| 25 |
- |
X |
X |
X |
X |
| 38 |
- |
X |
X |
X |
X |
| 50 |
- |
X |
X |
X |
X |
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All above blankets are subjected to standard tolerances. The values given herein are typical values obtained in accordance with accepted test methods and subject to normal manufacturing variations. They are supplied as a technical service and are subject to change without notice. Therefore, the data contained herein should not be used for specification purposes. |