SDTECH Polycrystalline Blanket is a high-strength needled insulation blanket made from bulk fiber. Free of organic binders and additives, it offers outstanding heat resistance, oxidation resistance, and dimensional stability, and is widely used for high-temperature insulation across a broad range of industries.

| Division | SD-1,600 Blacket | |
|---|---|---|
| Classification Temperature(℃) | 1,600 | |
| Recommended Operating Temperature(℃) | 1,500 | |
| Color | 백색 | |
| Density(kg/m³) | 96 / 128 | |
| Tensile Strength(kPa) | ≥ 80 | |
| Linear Shrinkage on Heating(%) | 1,400℃ × 24h < 1.0 | |
| Trace Elements | Trace amounts | |
| Thermal Conductivity(W/m·K) | 400℃ | 0.09 |
| 600℃ | 0.16 | |
| 800℃ | 0.22 | |
| 1,000℃ | 0.28 | |
| 1,200℃ | 0.36 | |
| 1,400℃ | 0.45 | |
| Chemical Composition(%) | Al₂O₃ | 71 - 73 |
| SiO₂ | 27 - 29 | |