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.

Calcium Silicate Blocks Image            Calcium silicate by ravani ceramics image

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 280Β±10% 285
Dimension tolerance mm Β±3 Β±3
Service Temperature ℃ 1100 1100
Linear shrinkage after heating（1050℃X3hrsοΌ‰ % ≀2 1
Bending Strength MPa β‰₯0.26 0.42
MPa β‰₯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