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Sharda Refractories (A Unit of M.P. Minerals Pvt Ltd)

Firebrick QualityAl2 O3 (Min %)Fe2O3 (Max %)P.C.E (Min OC)Apparent Porosity (Max %) CCS (Min kg/m2)RUL Min (Ta)0CBulk Density (Min gm/cc)PLC (Max %)Application Areas
SR IS 6 30 2.5 29 26 200 1300 2.00 ±1.0 at 13000 C/2 hrs. For Chimney flue, Boiler, sugar industry.
SR 35 2.5 30 25 250 1350 2.10 ±1.0 at 13500 C/2 hrs. For Chimney flue, Boiler, cupola, steel foundry.
SR 40 40 2.8 32 24 300 1400 2.15 ±1.0 at 14000 C/2 hrs. For cement preheater cyclone, silicate furnace & others moderate heat duty applications.
SR 45 45 3.0 32 24 350 1400 2.20 ±1.0 at 14000 C/2 hrs. For cement preheater cyclone, silicate furnace & others moderate heat duty applications.
SR 40 S 40 2.0 33 33 300 1420 2.20 ±0.75 at 14500 C/2 hrs Special purpose low iron high duty bricks for cement preheater cyclone
SR 45 S 45 2.0 33 21 350 1440 2.25 ±0.8 at 14500 C/2 hrs Special purpose low iron high duty bricks for cement preheater cyclone chemical plant sulphur furnace
SR 42 D 42 1.5 34 18 500 1470 2.30 ±0.5 at 14500 C/2 hrs Low porosity dense bricks for anode baking furnace & blast furnace.
SR 50 50 3.0 33 24 40014002.30 ±1.0 at 14500 C/2 hrs For  cement kiln, preheating zone, preheating furnace wall
SR 55 553.5332440014102.45 ±1.50 at 14500 C/2 hrs For cement kiln, preheating zone, reheating furnace wall.
SR 60 60 3.5 35 24450 1450 2.50 ±2.0 at 14500 C/2 hrs Calcination zone of cement rotary kiln, copper melting furnace.
SR 70 70 3.5 3623550 14602.65 ±2.5 at 15000 C/2 hrs Reheating furnace wall, burning zone of cement rotary kiln, ladle backup.
SR 80 80 1.8 3720600 1520 2.75 ±0.5 at 15000 C/2 hrs EAF roof, ladle lining & other high heat duty special application
SR 50 S 502.0 3421400 1450 2.30 ±1.0 at 15000 C/2 hrs Dense bricks for petroleum, fertilizer, Aluminum industry.
SR 55 S 55 2.0 352245014602.35 ±1.0 at 15000 C/2 hrs Dense volume stable bricks for reheating furnace roof, petroleum plant
SR Silli. 58 1.5 36 22 400 1520 2.35 ±0.5 at 15000 C/2 hrs For glass industry & frit furnace application
SR 60 S 60 2.0 3622450 15002.40 ±0.8 at 15000 C/2 hrs For CS2 furnace sulphur furnace, Alkali resistant bricks for cement rotary kiln,
SR 62 D 62 1.5 3616600 15202.55 ±0.5 at 15000 C/2 hrs Low porosity dense bricks for blast furnace, glass tank furnace, glass tank furnace & frit furnace.
SR 70 S 70 3.0 36235001460 2.65 ±2.0 at 15000 C/2 hrs For burning zone of cement rotary kiln
SR 70 L 70 2.5 36235001480 2.60 ±2.0 at 15000 C/2 hrs For burning zone of cement rotary kiln
SR 70 Li 701.537226001520 2.55 ±0.5 at 15000 C/2 hrs Lime kiln & burning zone of cement rotary kiln.
SpecificationsCalcined Pyropyllite (Grade-I)Calcined Pyrophyllite (Grade-II)
Al2O3 42% 37%
Fe2O3 1% 1%
TiO2 3% 3%
Na2O + K2O 0.5% 1.5%
CaO 0.3% 0.3%
Apparent Porosity 4-5% 6-8%
Bulk Density 2.45 gm/cc 2.35 gm/cc
PCE +32 OC 32 OC

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Katni Minerals Pvt Ltd

Materials - MULLITE GradeSHARDA-40SHARDA-60 SUPERSHARDA-60 NSHARDA-60 SPLSHARDA-70
Al2O3 40% ± 1% 60% ± 2% 60% ± 2% 60% ± 2% 70% ± 2%
Fe2O3 1% ± 0.2% 1% ± 0.1% 1.8% ± 0.2% 1.3% ± 0.1% 1% ± 0.1%
Na2O + K2O 0.3% max 0.3% max 0.3% max 0.3% max 0.3% max
Apparent Porosity 6% ± 1% 4-5% ± 1% 7% ± 1% 7% ± 1% 7% ± 1%
Bulk Density 2.4 gm/cc 2.55 gm/cc 2.5 gm/cc 2.5 gm/cc 2.7 gm/cc
PCE 32 OC 36 OC 36 OC 36 OC 37 OC
Calcined Bauxite Specifications CAL BAUXITE-I CAL BAUXITE-II
Al2O3s 68-72% 72-74%
Fe2O3 6-7% 2.0-2.1%
TiO2 8-12% 6.65%
CaO 0.5% 2.0%
Apparent Porosity 11-12% 11%
Bulk Density 3.0- 3.1% gm/cc 3.05-3.1% gm/cc
PCE 36 OC 36 OC

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