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Technical Data of Chemical Bonded Refractories Up to 85 % Al2O3

Brand Name

Chimical Composition ( wt% ):-

Silica  ( SiO2 )

Alumina ( Al2O3 )

Titania  ( TiO2 )

Iron  ( Fe2O3 )

Lime  ( CaO )

Magnsia  ( MgO )

Alkalies  ( Na2O + K2O )

Phosphorous Pentoxide ( P2O5 )

Phiysical Propertise:

Bulk Density ( g/cm3 )

Apparent Porosity ( % )

Modulus of Rupture ( kg/cm2 )

Cold Crushing Strength ( kg/cm2 )

Linear Thermal Expanstion at 1000 °C ( % )

Refractoriness ( °C )

ACR 70 P

20.00 - 24.00

68.00 - 72.00

3.00 - 3.10

1.50 - 1.60

0.20 - 0.30

0.05 - 0.10

0.20 - 0.30

2.00 - 3.00

2.60 - 2.65

12 - 16

100 - 120

600 - 700

0.2 - 0.4

1800

ACR 75 P

16.00 - 18.00

74.00 - 76.00

3.00 - 3.20

1.50 - 1.60

0.20 - 0.30

0.05 - 0.10

0.20 - 0.30

2.00 - 3.00

2.70 - 2.75

12 - 16

100 - 120

600 - 700

0.2 - 0.4

1850

ACR 80 P

12.00 - 14.00

78.00 - 80.00

3.20 - 3.40

1.50 - 1.70

0.20 - 0.30

0.05 - 0.10

0.10 - 0.20

2.00 - 3.00

2.75 - 2.80

12 - 16

120 - 150

700 - 900

0.2 - 0.4

> 1850

ACR 85 P

8.00 - 10.00

82.00 - 85.00

3.10 - 3.20

1.00 - 1.40

0.20 - 0.30

0.05 - 0.10

0.10 - 0.20

2.00 - 3.00

2.80 - 2.85

12 - 16

120 - 150

700 - 900

0.2 - 0.4

> 1850

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Developer : Mohamed Said Ramadan © Alexandria Company for Refractories 2017