Hot Face Insulation
| Hot Face Insulation | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Type | AC500 | AC600 | AC700 | ACCF | ACHF | ACHFI | ACHER | ACHS | ACSI |
| B.D. (Gm/cc) Max. | 0.53 | 0.63 | 0.7 | 0.8 | 0.9 | 1 | 1.1 | 1.2 | 1 |
| CCS(Kg/cm2) Min. | 7 | 9 | 12 | 15 | 20 | 40 | 40 | 80 | 15 |
| A.P. (%) Min. | 80 | 75 | 72 | 70 | 65 | 60 | 55 | 55 | 65 |
| T.C. at 600°HF Temp. | 0.14 | 0.16 | 0.18 | 0.19 | 0.25 | 0.3 | 0.4 | 0.4 | 0.25 |
| Kcal/m/hr/°C) Max. | |||||||||
| PLC (%) for 5 hrs., Max. | 1.5 at 950°C | 1.5 at 1000°C | 1.5 at 1000°C | 1.5 at 1000°C | 2.0 at 1000°C | 1.5 at 1200°C | 1.5 at 1250°C | 1.5 at 1200°C | 1.5 at 1100°C |
| SWT (°C) Min. | 1000 | 1000 | 1050 | 1050 | 1100 | 1200 | 1300 | 1350 | 1150 |
| PCE (OC) Min. | - | - | - | - | 27 | 30 | 32 | 30 | - |
| Al2O3 (%) Min. | - | - | - | 28 | 30 | 35 | 40 | 18 | 18 |
| SiO2 (%) Min. | - | - | - | 60 | 62 | 60 | 50 | 70 | 75 |
| Fe2O3 (%) Max. | - | - | - | 2 | 2 | 2 | 2 | 2 | 2 |