Refractory & Insulation Materials

PRODUCT

IMR- INS-110

IMR- INS-135

IMR-INS-140

IMR-INS-500

IMR-INS-700

IMR- INS-650

IMR- INS-750

CHEMICAL:

SiO 2 %

69.7

61.5

54.1

49.14

35.4

38.92

41.32

Al 2 O 3 %

24.3

33.2

41.5

43.8

55.70

53.7

51.2

Fe 2 O 3 %

2.2

1.9

1.8

0.95

1.40

1.38

1.26

TiO 2 %

2.0

2.5

1.9

1.75

2.80

2.6

2.5

CaO + MgO %

0.5

0.3

0.2

3.6

3.65

2.08

2.17

Others %

0.9

0.6

0.5

0.76

1.05

1.32

1.55

Max. Service Temp. ° C

1000

1350

1400

1300

1400

1430

1430

Nature of Bond

Ceramic

Ceramic

Ceramic

Chemico Ceramic

Chemico Ceramic

Chemico Ceramic

Chemico Ceramic

Raw Material Base

Fire Clay & Mica

Fire Clay

& Kyanite

Fire Clay

& Kyanite

Synthetic Alumina

Synthetic Alumina

Synthetic Alumina

Synthetic Alumina

PHYSICAL:

Reversible Thermal Expansion % at 1000 ° C

–

0.50

0.50

0.55

0.55

0.55

0.55

BD gm/cm ³ Max

0.90

1.05

1.0

0.55

0.80

0.65

0.80

AP % Min.

60

55

55

–

–

–

–

CCS kg/cm 2 Min.

10

25

25

7

13

25

40

PCE orton Min.

20

29

30

23

30

30

31

PLC % Max.

± 1.5

at 1000 ° C/ 5hr

± 1.5

at 1350 ° C/ 5hr

± 1.5

at 1400 ° C/ 5hr

± 1.0

at 1300 ° C/ 5hr

± 1.5

at 1400 ° C/ 5hr

± 1.5

at 1430 ° C/ 5hr

± 1.5

at 1430 ° C/ 5hr

Thermal Conductivity

300 ° C

–

0.24

0.26

0.17

0.20

0.21

0.21

500 ° C

–

0.26

0.29

0.18

0.23

0.23

0.24

800 ° C

–

0.28

0.31

0.21

0.27

0.26

0.28

Wt. Of std. Brick (approx.)  kg. 230x114x76 mm

1.70

2.10

2.00

1.10

1.50

1.30

1.60

Application Area

Backup lining for Boiler reheating furnace

Backup lining for Glass tank furnace, Blast furnace.

Backup lining for Glass tank furnace, Blast furnace.

As a backup lining for special application

As a backup lining for special application

As a backup lining for special application

As a backup lining for special application

IMR HF23

IMR HF26

IMR HF28

IMR HF29

IMR HF30

IMR HF32

Classification Temperature 0 C

1300

1450

1550

1600

1650

1700

Properties measured at room temperature

Density (gm/c)

0.55

0.70

1.0

1.05

1.1

1.3

Modulus of rupture (kg/cm 2 )

11

12

–

–

–

–

Cold Crushing Strength (kg/cm 2 )

16

25

30

40

60

High temperature performance

PLC after 24 hrs .

at 1250 0 C

1350 0 C

1450 0 C

1500 0 C

1550 0 C

1600 0 C

±0.6

–

–

–

–

–

±0.1

±0.5

–

–

–

–

–

±0.1

±0.5

–

–

–

–

–

±0.2

±0.5

–

–

–

–

–

–

±0.5

–

–

–

–

–

–

±0.5

Thermal Conductivity at mean temperature of

400 0 C

600 0 C

800 0 C

1000 0 C

0.16

0.18

0.20

0.22

0.22

0.24

0.27

0.30

0.36

0.40

0.44

0.48

0.37

0.41

0.45

0.50

0.40

0.44

0.48

0.52

0.50

0.54

0.58

0.60

Chemical Composition

Al 2 O 3 (%)

42.00

60.00

60.00

60.00

72.00

72.00

Fe 2 O 3 (%)

0.65

0.70

1.00

1.00

0.80

0.60

CaO (%)

10.00

6.00

–

–

–

–