Technical Data of Alumino Silicate
Refractories
35 - 45 % Al2O3
Brand Name
Chimical Composition ( wt% ):-
Silica ( SiO2 )
Alumina ( Al
2
O
3
)
Titania ( TiO2 )
Iron ( Fe2O3 )
Lime ( CaO )
Magnsia ( MgO )
Alkalies ( Na2O + K2O )
Phiysical Propertise:
Bulk Density ( g/cm3 )
Apparent Porosity ( % )
Modulus of Rupture ( kg/cm2 )
Cold Crushing Strength ( kg/cm2 )
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
Developer : Mohamed Said Ramadan
© Alexandria Company for Refractories 2017