| QUALITY | Al 2 O 3 (%) Min. | Fe 2 O 3 (%)Max. | P.C.E. (O.C.) Min. | APPARENT POROSITY (%) Max. | CCS Mpa.Min. | RUL (Ta) °C Min. | BULK DENSITY(kg/m3) Min. | PLC (%) Max. | APPLICATION AREA |
| IMR-30 | 30 | 2.0 | 30 | 25 | 25.0 | 1350 | 2100 | – 1.0 at 1300°C/2 hrs | For Chimney Flue, Boiler, Sugar Industry. |
| IMR-HD | 36 | 2.4 | 31 | 22 | 30.0 | 1350 | 2150 | – 1.0 at 1300°C/2 hrs | For Chimney Flue, Boiler, cupola, Steel Foundry. |
| IMR-SD | 45 | 1.6 | 33 | 17 | 46.0 | 1460 | 2300 | – 0.5 at 1400°C/2 hrs | For Cement preheater cyclone, Anode baking furnace of aluminium industry & others special applications |
| IMR-45 | 45 | 2.0 | 31 | 22 | 35.0 | 1400 | 2200 | – 1.0 at 1400°C/2 hrs | For Cement preheater cyclone, Silicate Furnace & other high heat duty application. |
| IMR-55 S | 55 | 2.0 | 35 | 22 | 48.0 | 1450 | 2350 | + 0.5 at 1450°C/2 hrs | Special purpose low iron high spalling resistant bricks for Glass industry & petroleum industry. |
| IMR-60 L | 60 | 2.5 | 36 | 20 | 50.0 | 1480 | 2520 | + 1.5 at 1450°C/2 hrs | Special purpose low iron high duty bricks for cement kiln, Chemical plant, sulphur furnace. |
| IMR-70 S | 70 | 3.0 | 36 | 22 | 55.0 | 1460 | 2650 | + 2.0 at 1500°C/2 hrs | General purpose bauxite based bricks for reheating furnace & cement rotary kiln. |
| IMR-70 L | 70 | 2.5 | 37 | 21 | 55.0 | 1480 | 2620 | + 1.8 at 1500°C/2 hrs | For Cement rotary kiln, reheating furnace wall, EAF roof, steel ladle. |
| IMR-80 | 80 | 1.8 | 37 | 18 | 65.0 | 1500 | 2800 | + 0.5 at 1500°C/2 hrs | EAF Roof, Ladle lining & other high heat duty special application. |
| IMR-85 | 85 | 1.5 | 38 | 18 | 80.0 | 1530 | 2850 | + 0.5 at 1500°C/2 hrs | Special type of high temperature & high abrasion application. |
| IMR-80 P | 80 | 1.8 | 37 | 17 | 75.0 | 1500 | 2800 | + 0.5 at 1500°C/2 hrs | Reheating furnace bottom & other special application where abrasion is high. |
| IMR-85 P | 85 | 1.5 | 38 | 17 | 90.0 | 1530 | 2850 | + 0.5 at 1500°C/2 hrs | Phosphate bonded bricks for Aluminium melting & holding furnace & reheating furnace bottom. |
