| Brand name | Base Material | Max grain size in mm | Al2O3% | Fe2O3% | SiC+C% | CaO% | CCS(kg/cm2) at 800oC | Area of use |
| KR Low Cast60 A | Andalusite | 6 | 60 | 1 | 1.8 | 700 | Reduction zone | |
| KR Low Cast70 M | Mullite | 6 | 72 | 0.8 | 1.6 | 700 | Inlet zone | |
| KR Low Cast 80 | Mullite | 6 | 80 | 0.6 | 1.6 | 750 | Out let zone | |
| KR Low cast 80S | Mullite Steel fibre | 6 | 78 | 0.6 | 5 | 1.6 | 750 | Chute |
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