Brand Name

Chimical Composition ( wt% ):-

Silica ( SiO

2

)

Alumina ( Al

2

O

3

)

Titania ( TiO

2

)

Iron ( Fe

2

O

3

)

Lime ( CaO )

Magnsia ( MgO )

Alkalies ( Na

2

O + K

2

O )

Phiysical Propertise:

Bulk Density ( g/cm

3

)

Apparent Porosity ( % )

Modulus of Rupture ( kg/cm

2

)

Cold Crushing Strength ( kg/cm

2

)

Linear Thermal Expanstion at 1000 °C ( % )

Thermal Conductivity ( W/m.k )

at 400°C

at 700°C

at 1000°C

Refractoriness ( °C )

Refractoriness under Load Ta ( °C )

Recommended Service Temp ( °C )

ACR 35

57.00 - 60.00

35.00 - 38.00

2.20 - 2.50

1.30 - 1.60

0.30 - 0.50

0.10 - 0.20

0.20 - 0.40

2.10 - 2.15

18 - 20

50 - 60

250 - 300

0.60 - 0.70

1.10 - 1.20

1.20 - 1.30

1.25 - 1.35

1690 - 1710

> 1350

1380

ACR 38

55.00 - 57.00

38.00 - 40.00

2.20 - 2.50

1.30 - 1.50

0.30 - 0.50

0.20 - 0.30

0.30 - 0.60

2.15 - 2.20

16 - 19

60 - 70

300 - 350

0.50 - 0.55

1.10 - 1.20

1.15 - 1.25

1.25 - 1.40

1710 - 1730

> 1400

1450

ACR 40

53.00 - 55.00

40.00 - 42.00

2.20 - 2.50

1.30 - 1.50

0.30 - 0.50

0.20 - 0.25

0.30 - 0.60

2.20 - 2.25

16 - 18

70 - 80

350 - 400

0.50 - 0.60

1.10 - 1.20

1.15 - 1.25

1.20 - 1.30

1730 - 1750

> 1420

1480

ACR 45

48.00 - 50.00

45.00 - 47.00

2.20 - 2.68

1.30 - 1.50

0.30 - 0.40

0.15 - 0.20

0.30 - 0.50

2.28 - 2.32

16 - 19

90 - 100

450 - 500

0.55 - 0.65

1.15 - 1.25

1.20 - 1.30

1.25 - 1.35

≥ 1750

> 1440

1500