| Brand Name: – | HR WHYTE A BFA BASED | HR WHYTE A BAUXITE BASED | HR WHYTE A SUPER | HR WHYTE A HS | HR WHYTE A SP | |||||
| Type | 90% Alumina Dense Castable | 85% Alumina Dense Castable | 90% Alumina Dense Castable
Super Strength |
88% Alumina Dense Castable High Strength | Spinel Added High Alumina Dense Castable | |||||
| Nature of Bond | Hydraulic | Hydraulic | Hydraulic | Hydraulic | Hydraulic | |||||
| Installation | Vibration Casting | Vibration Casting/Patching | Vibration Casting | Vibration Casting | Vibration Casting | |||||
| Raw Material Base | Brown Fused Alumina | Low Ferric Bauxite | Brown Fused Alumina | Brown Fused Alumina | HAA 86, CAC 75 , Spinel 78 | |||||
| Max Service Temp. | 1750°C | 1700°C | 1750°C | 1700°C | 1700°C | |||||
| Max Grain Size | 5 mm | 4 mm | 5 mm | 5 mm | 5 mm | |||||
| Water Required for Casting | 8.0-9.0% | 10.0-11.0% | 8.0-9.0% | 8.0-9.0% | 9.0-11.0% | |||||
| Chemical Analyses: – (%) | Typical | Specification | Typical | Specification | Typical | Specification | Typical | Specification | Typical | Specification |
| Al2O3 : | 90.30 | 90.0 Min | 85.50 | 85.0 Min | 90.30 | 90.0 Min | 88.40 | 88.0 Min | 84.50 | 84.0 Min |
| Fe2O3 : | 0.50 | 0.8 Max | 1.80 | 2.0 Max | 0.50 | 0.8 Max | 0.70 | 0.8 Max | 1.70 | 1.8 Max |
| CaO : | 4.50 | — | 5.40 | — | 4.70 | — | 5.60 | — | 5.40 | — |
| Physical Properties: – | ||||||||||
| B. D (gm/cc)
Drying at 110°C/24 hrs. |
2.80 | 2.75 Min | 2.65 | 2.60 Min | 2.92 | 2.85 Min | 2.78 | 2.75 Min | 2.72 | 2.70 Min |
| Cold Crushing Strength (Kg/cm2): | ||||||||||
| Drying at 110°C/24 hrs. | 650 | 600 Min | 650 | 600 Min | 910 | 850 Min | 680 | 650 Min | 550 | 530 Min |
| Fired at 800°C/3hrs. | 435 | — | 380 | — | 700 | — | 450 | — | — | — |
| Fired at 1100°C/3hrs. | 350 | — | 310 | — | 450 | — | 400 | — | 280 | — |
| Fired at 1550°C/3hrs. | 680 | — | 650 | — | 710 | — | 700 | — | 550 | — |
| Thermal Properties: – | ||||||||||
| Refractoriness, Orton / 0 C | +37/+1820 | 37/1820 Min | +36 | 36/1804 Min | +37/+1820 | 37/1820 Min | +36 | 36/1804 Min | +36 | 36/1804 Min |
| PLC (%) | ||||||||||
| Fired at 800°C/3hrs. | – 0.05 | — | – 0.02 | — | – 0.05 | — | – 0.05 | — | — | — |
| Fired at 1100°C/3hrs. | – 0.10 | — | – 0.06 | ± 0.20 | – 0.10 | ± 0.20 | – 0.10 | — | – 0.10 | ± 0.30 |
| Fired at 1550°C/3hrs. | – 0.75 | ± 0.80 Max | – 1.20 | ± 1.50 Max | – 0.60 | ± 0.60 Max | – 0.80 | ± 1.00 Max | – 0.90 | ± 1.00 Max |
| Water requirements indicated are based on laboratory test conditions. Actual water requirement may vary subject to site conditions. The properties shown are for vibratory cast material only unless specified otherwise. All values are based on test results on standard bars of size 160x40x40 mm. Test methods are guided by and based on various Indian Standards (IS).
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| Brand Name: – | HR WHYTE C | HR WHYTE C SPL | HR WHYTE K | HR WHYTE K SPL | HR WHYTE M | |||||
| Type | 50% Alumina Dense Castable | 50% Alumina Dense Castable High Strength | 60% Alumina Dense Castable | 60% Alumina Dense Castable High Strength | 80% Alumina Dense Castable | |||||
| Nature of Bond | Hydraulic | Hydraulic | Hydraulic | Hydraulic | Hydraulic | |||||
| Installation | Vibration Casting | Vibration Casting | Vibration Casting | Vibration Casting | Vibration Casting | |||||
| Raw Material Base | Calcined Clay | Calcined Clay | Calcined Bauxite Clay | Calcined Bauxite Clay | BFA , Calcined Diaspore | |||||
| Max Service Temp. | 1500°C | 1500°C | 1600°C | 1600°C | 1700°C | |||||
| Max Grain Size | 5 mm | 5 mm | 5 mm | 5 mm | 5 mm | |||||
| Water Required for Casting | 10.5-11.5% | 10.0-11.0% | 10-11% | 10-11% | 9.5 – 10.5% | |||||
| Chemical Analyses: – (%) | Typical | Specification | Typical | Specification | Typical | Specification | Typical | Specification | Typical | Specification |
| Al2O3 : | 50.50 | 50.0 Min | 50.50 | 50.0 Min | 60.50 | 60.0 Min | 60.25 | 60.0 Min | 80.25 | 80.0 Min |
| Fe2O3 : | 1.20 | 1.30 Max | 1.20 | 1.30 Max | 0.90 | 1.0 Max | 0.90 | 1.0 Max | 1.3 | 1.5 Max |
| CaO : | 4.20 | — | 4.60 | — | 4.30 | — | 4.70 | — | 5.45 | — |
| Physical Properties: – | ||||||||||
| B. D (gm/cc)
Drying at 110°C/24 hrs. |
2.18 | 2.10 Min | 2.16 | 2.10 Min | 2.22 | 2.20 Min | 2.16 | 2.10 Min | 2.65 | 2.60 Min |
| Cold Crushing Strength (Kg/cm2): | ||||||||||
| Drying at 110°C/24 hrs. | 370 | 350 Min | 450 | 400 Min | 380 | 350 Min | 480 | 450 Min | 580 | 550 Min |
| Fired at 800°C/3hrs. | 280 | — | 350 | — | 290 | — | 350 | — | — | — |
| Fired at 1100°C/3hrs. | 220 | — | 270 | — | 240 | — | 250 | — | 380 | — |
| Fired at 1500°C/3hrs. | 480 | — | 550 | — | — | — | — | — | — | — |
| Fired at 1550°C/3hrs. | — | — | — | — | 500 | — | 550 | — | 580 | 550 Min |
| Thermal Properties: – | ||||||||||
| Refractoriness, Orton / 0 C | 31/1683 | 30/1665 Min | 31/1683 | 30/1665 Min | 32/1717 | 31/1683 Min | 32/1717 | 31/1683 Min | +36/+1804 | 36/1804 Min |
| PLC (%) | ||||||||||
| Fired at 800°C/3hrs. | -0.05 | — | -0.05 | — | -0.05 | — | -0.05 | — | — | — |
| Fired at 1100°C/3hrs. | -0.10 | — | -0.10 | — | -0.10 | — | -0.10 | — | -0.09 | ± 0.20 Max |
| Fired at 1500°C/3hrs. | -0.80 | ± 1.0 Max | -0.80 | ± 1.0 Max | — | — | — | — | — | — |
| Fired at 1550°C/3hrs. | — | — | — | — | -1.1 | ± 1.5 Max | -1.25 | ± 1.5 Max | -0.80 | ± 1.00 Max |
| Water requirements indicated are based on laboratory test conditions. Actual water requirement may vary subject to site conditions. The properties shown are for vibratory cast material only unless specified otherwise. All values are based on test results on standard bars of size 160x40x40 mm. Test methods are guided by and based on various Indian Standards (IS). | ||||||||||