Quality

Al₂ O₃

(%)

Min.

Fe₂O₃

(%)

Max.

P.C.E

(O.C)

Min.

Apparent

Porosity

^(%) Max.

CCS

(kg/m2)

Min.

RUL (Ta)⁰C

Min.

Bulk Density

(gm/cc)

Min.

PLC

(%)

Max.

Application Area

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

22

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

400

1400

2.30

±1.0 at 1450⁰ C/2 hrs

For  cement kiln, preheating zone, preheating furnace wall

SR 55

55

3.5

33

24

400

1410

2.45

±1.50 at 1450⁰ C/2 hrs

For cement kiln, preheating zone, reheating furnace wall.

SR 60

60

3.5

35

24

450

1450

2.50

±2.0 at 1450⁰ C/2 hrs

Calcination zone of cement rotary kiln, copper melting furnace.

SR 70

70

3.5

36

23

550

1460

2.65

±2.5 at 1500⁰ C/2 hrs

Reheating furnace wall, burning zone of cement rotary kiln, ladle backup.

SR 80

80

1.8

37

20

600

1520

2.75

±0.5 at 1500⁰ C/2 hrs

EAF roof, ladle lining & other high heat duty special application

SR 50 S

50

2.0

34

21

400

1450

2.30

±1.0 at 1500⁰ C/2 hrs

Dense bricks for petroleum, fertilizer, Aluminum industry.

SR 55 S

55

2.0

35

22

450

1460

2.35

±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

36

22

450

1500

2.40

±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

36

16

600

1520

2.55

±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

36

23

500

1460

2.65

±2.0 at 1500⁰ C/2 hrs

For burning zone of cement rotary kiln

SR 70 L

70

2.5

36

23

500

1480

2.60

±2.0 at 1500⁰ C/2 hrs

For burning zone of cement rotary kiln

SR 70 Li

70

1.5

37

22

600

1520

2.55

±0.5 at 1500⁰ C/2 hrs

Lime kiln & burning zone of cement rotary kiln.