Plastic Refractory is a kind of refractory material with plasticity at room temperature. It’s mainly composed of refractory aggregates, binders, etc. It can be easily molded and shows excellent heat resistance and mechanical properties at high temperatures.
| Item/Grade | KSL-35 | KSL-40 | KSL-60 | KSL-75 | KSL-80 | |
|---|---|---|---|---|---|---|
| ω (Al2O3) ≥/% | 35 | 40 | 60 | 75 | 80 | |
| Bulk Density/ (g/cm³) | 110℃*24h | 2.15 | 2.2 | 2.35 | 2.5 | 2.65 |
| Compressive Strength/Mpa | 110℃*24h | 6 | 7 | 7 | 8 | 8 |
| Flexural Strength ≥/Mpa | 110℃*24h | 2 | 2.5 | 2.5 | 3 | 3 |
| 1300℃*3h | 3 | 3.5 | 3.5 | 4 | 5 | |
| Permanent Linear Change/% (T/℃*12h) | -1.5~0(110℃*24h) | |||||
| Plasticity Index/% | 12-35 | |||||
| Water Content/% | 10 | |||||
1. High refractoriness 2. Good thermal shock resistance 3. Excellent plasticity, easy to shape 4. Low thermal conductivity 5. Strong corrosion resistance 6. Long-term stability under harsh conditions
Refractory plastics are widely used in various high-temperature industrial fields. They’re applied in the lining of furnaces, kilns and boilers to improve heat insulation and energy efficiency. They’re also used in metallurgy, glass and ceramics industries to resist high temperatures and protect equipment.