Ravani Ceramics is manufacturing and exporting Calcium Silicate Blocks that are manufactured as per ASTM C 533-17. The Calcium Silicate Blocks manufactured by us name as R-SIL Calcium Silicate Block. The Calcium Silicate Blocks produced by us are widely used in various industries due to their excellent quality and high efficiency. We offer Calcium Silicate Blocks in different sizes to match the requirements of our customers.
Salient Features
- Fire resistant
- Good Mechanical Strength (Above 10kg/cm2)
- Low specific Heat
- Re-usable
- Rigid & Light Weight (Density 280 kg/M3)
- Long life
Technical Specification
| Product Description | R-SIL Calcium Silicate Block | ||
| Standard | ASTM C 533-17 | ||
| Test Type | Regular Test | Specification | |
| Item | Unit | Standard Values | Actual Values |
| Density | Kg/M3 | 280±10% | 285 |
| Dimension tolerance | mm | ±3 | ±3 |
| Service Temperature | ℃ | 1100 | 1100 |
| Linear shrinkage after heating（1050℃X3hrs） | % | ≤2 | 1 |
| Bending Strength | MPa | ≥0.26 | 0.42 |
| MPa | ≥0.90 | 0.94 | |
| Thermal conductivity | |||
| Mean temp.@ | 38℃ | W/(mxK) | 0.055 |
| 93℃ | 0.056 | ||
| 149℃ | 0.061 | ||
| 204℃ | 0.072 | ||
| 260℃ | 0.084 | ||
| 316℃ | 0.082 | ||
| 371℃ | 0.090 | ||
| Chemical analysis | |||
| SiO2 | % | 48.4 | |
| CaO | % | 42.9 | |
| Al2O3 | % | 1.00 | |
| Fe2O3 | % | 0.20 | |
| LOI at 1050℃ | % | 5.6 | |
Where it is used ?
| Power Plants | Boilers, Steam Pipelines, Exhaust Ducts of Gas Based Plants, Turbines, Fuel Oil Lines & Chimney. |
| Fertilizer, Refinery & Petrochemical Industry | Reformer, Gas Cracker, Heater, Ducts, Boiler, Steam Pipelines & Process Pipelines. |
| Iron & Steel Industry | Blast Furnace Shaft, Stove & Bustle Pipe, Soaking Pits, Reheat and Annealing Furnaces, Waste Heat Boiler, Roof Top & Regenerator Shields of coke oven batteries & Lime Killn, Hot-Air & Flue gas ducts. |
| Sponge Iron | Gas Based reformer, desuphurizer vessel, Hot air & flue gas ducts & waste heat recovery system. |
| Cement Industry | Preheater cyclones, precalcinator, klin riser duct, Firing hood, grate-cooler, Tertiary Air duct, Flue gas ducts & E.S.P |
| Sugar | Boiler, Steam & Process Pipeline |