SD Tech's ceramic fiber blanket is a high-temperature refractory insulation manufactured using advanced spinning technology.
Its long fibers and high strength ensure excellent shape retention, and it is lightweight and durable. Its operating temperature range is 950°C (1,700°F) to 1,450°C (2,500°F).

| Division | SD 1,100 | SD 1,260 | SD 1,360 | SD 1,430 | SD 1,500 | |
|---|---|---|---|---|---|---|
| Classification temperature(℃) |
1,100 | 1,260 | 1,360 | 1,430 | 1,500 | |
| Density(kg/m³) | 96, 128-160 | |||||
| bow reduction ratio(%) (24hrs@128kg/m³) |
≤ -4 (1,000℃) | ≤ -3 (1,100℃) | ≤ -3 (1,100℃) | ≤ -3 (1,350℃) | ≤ -3 (1,350℃) | |
| Thermal conductivity (w/m·k) (128kg/m³) |
0.09 (400℃) 0.16 (800℃) |
0.09 (400℃) 0.16 (800℃) |
0.12 (600℃) 0.20 (1,000℃) |
0.16 (600℃) 0.20 (800℃) |
0.16 (600℃) 0.20 (800℃) |
|
| Chemical composition (%) |
Al₂O₃ | 42 - 44 | 45 -46 | 37 | 39 - 40 | 43 |
| Al₂O₃ + SiO₂ | 96 | 98 | - | - | - | |
| SiO₂ | - | - | - | - | - | |
| Cr₂O₃ | - | - | - | - | 2.5 - 3.0 | |
| ZrO₂ | - | - | - | 15 - 17 | - | |
| Al₂O₃+SiO₂+ ZrO₂(Cr₂O₃) |
- | - | 99 | 99 | 99 | |