1.Easy to wrap, shape or cut
2. Lightweight
3.Low thermal conductivity: Low heat storage
4.Good uniformity and smooth appearance
5. Good flexibility and toughness and resistance
to avulsion
6. Good dielectric strength and sound insulation
7. Excellent thermal shock resistance
8. Excellent chemical satability and machining
Property
9. Excellent corrosion resistance
| Item | Standard | High Pure | High Aluminium | Zirconium | |
| Max. Temperature (°C) | 1050 | 1150 | 1260 | 1430 | |
| Shrinkage on Heating (%) | 800°C x 24h ≤ -3 | 1000°C x 24h ≤ -3 | 1280°C x 24h ≤ -3 | 1400°C x 24h ≤ -3 | |
| Organic Content (%) | ≤ 5 | ≤ 5 | ≤ 5 | ≤ 5 | |
| Thermal conductivity by mean temp. (W/m.k.) (250kg/m3) | 200°C | 0.055 ~ 0.065 | 0.060 ~ 0.070 | ||
| 400°C | 0.110 ~ 0.120 | 0.105 ~ 0.125 | |||
| 600°C | 0.160 ~ 0.170 | 0.170 ~ 0.180 | |||
| Chemical Composition(%) | Al2O3 | 43 | 47 | 55 | 38 |
| SiO3 | 53 | 51 | 44 | 44 | |
| Fe2O3 + Ti2O3 | ≤ 1.2 | ≤ 0.3 | ≤ 0.3 | ≤ 0.2 | |
| CaO + MgO | ≤ 0.3 | ≤ 0.3 | ≤ 0.3 | ≤ 0.2 | |
| NaO + KO2 | ≤ 0.5 | ≤ 0.3 | ≤ 0.3 | ≤ 0.2 | |
| Density (kg/m3) | 170-230 | ||||
1.Die cut gaskets between castings in coke oven doors, blast furnace hot air piping, aluminium heat treating furnace, tuyeres and heat treat furnaces.
2.Backup for brick and monolithic refractories in blast furnace stoves, piping, tundish, ladle, hot metal cars, trough etc.
3. Mould wrapping for controlled cooling
4.SEN isulation wraping
5.Shield for welding & brazing operation
6. Rotary klin back-up insulation
7.Fabricated into tapout cones for Aluminium industry.
8. Strips in bottom of ingot mould for sealing
9.Expansion joint packing
10.Induction coil liner
11. Mould liner
12. Silencer interleaf
13.Ladle & tundish insulation
14.Asbestos paper replacement
15. Hot top linings
16.Thermal and electrical insulation
