Ravani Ceramics is manufacturing and exporting Calcium Silicate Blocks that are manufactured as per IS 8154 & 8428, ASTM C 533-90 and Relevant Naval Specifications. 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 250 kg/M3)
  • Long life

Product Details

  • Chemical Analysis : %
  • CaO : 38 min.
  • SiO2 : 41 min
  • e-fibre glass : 7 max
  • H2O chemically combined : 14 max
  • Iron : 20 ppm
  • AL2O3, MgO :negligible

Physical Properties

Product Size mm Thickness mm BD kg/m2 Flexural Strength Mpa Temp °C
Calcium Silicate Blocks 900 x 600600 x 150 25-10025-100 250250 0.87-0.900.87-0.90 800 / 1000 / 1100800 / 1000 / 1100
Rigid Pipe Covering 900/ 600/ 450 25-75 250 0.8-0.9 800 / 1000 / 1100

 

Chemical Composition

 

Characteristics H-800 Grade Values % H-1000 Grade H-1100 Grade
SiO2 40-44 42-46 44-48
CaO 34-38 34-38 35-38
Al2O3 3.2-4.5 3.2-4.5 3.5-4.5
Fe2O3 -0.7 ~0.7 ~0.7
MgO ~1.3 ~1.3 ~1.3
LOI <15 at 800°C <14 at 950°C <11 at 1025°C

 

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