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| Group | Super Refractories | High Alumina | ||||||||||
| Properties | SILL | SILL D | CORD | MUL STD |
HA 42 |
HA 50 |
HA 60 |
HA 70 |
HA 72 D |
HA 88 D |
HA 90 |
HA 90 P |
| Service temp. °C (Max.) | 1450 | 1550 | 1250 | 1750 | 1350 | 1400 | 1450 | 1450 | 1550 | 1550 | 1650 | 1550 |
| Bulk Density gm/cc | 2.3 | 2.5 | 2.1 | 2.55 | 2.2 | 2.3 | 2.4 | 2.7 | 2.75 | 2.95 | 2.9 | 2.8 |
| Cold Crushing Strength Kgf/cm² | 400 | 500 | 400 | 550 | 350 | 450 | 500 | 600 | 700 | 800 | 800 | 800 |
| Apparent Porosity % | 20 | 16 | 24 | 22 | 18-22 | 18-22 | 18-22 | 18-22 | 18 | 18 | 18 | 18 |
| Permanent Linear Change (%) @ 1450°C |
± 1.0 | ± 1.0 | ± 0.5* | ± 0.2 | ± 1.0* | ± 1.0* | ± 1.0 | ± 1.0 | ± 1.0 | ± 1.0 | ± 0.5 | ± 1.0 |
| Refractoriness under Load °C |
1550 | 1600 | - | 1650 | 1400 | 1450 | 1450 | 1480 | 1520 | 1550 | 1600 | 1550 |
| PCE, Orton | 34 | 36 | - | 38 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 37 |
| Chemical Analysis (%) Al2O3 Fe2O3 |
50.0 1.0 |
60.0 0.8 |
50.0 1.0 |
72.0 0.3 |
42.0 2.0 |
52.0 2.5 |
62.0 3.5 |
70.0 3.5 |
72.0 1.5 |
88.0 2.0 |
90.0 0.3 |
90.0 1.5 |
| Group | Precast Refractory Shapes | ||||||||
| Properties | PCF 45 | PCF 45(C) | PCF60 | PCF60 (C) |
PCF70 | PCF80 | PCF90 | PCF90 (C) |
PCF90 (L) |
| Service temp. °C (Max.) | 1450 | 1450 | 1550 | 1550 | 1550 | 1600 | 1700 | 1700 | 1800 |
| Bulk Density gm/cc (Min) | 2.2 | 2.1 | 2.4 | 2.2 | 2.6 | 2.8 | 2.9 | 2.8 | 3.0 |
| Cold Crushing Strength Kgf/cm² (Min.) | 800 | 350 | 900 | 350 | 900 | 900 | 900 | 600 | 950 |
| Apparent Porosity % (Max.) |
16 | 18-20 | 16 | 18-20 | 16 | 15 | 15 | 18-20 | 15 |
| Permanent Linear Change (%) (Max.) |
± 1.5 1450°C |
± 1.5 1450°C |
± 1.0 1450°C |
± 1.0 1450°C |
± 1.0 1450°C |
± 1.0 1550°C |
± 0.3 1550°C |
± 0.3 1550°C |
± 0.5 1550°C |
| Chemical Analysis (%) Al2O3 (Min.) Fe2O3 (Max.) |
45.0 1.5 |
50.0 1.5 |
60.0 1.0 |
60.0 1.5 |
70.0 1.0 |
80.0 1.8 |
90.0 1.0 |
90.0 0.8 |
94.0 0.3 |
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