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Help CenterHigh Aluminium Content Fire Clay Bricks
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High aluminium content fire clay bricks
Specific
1.Made by bauxite clinker and binder through Crushing,Mixing,Shaping,Drying and high temperature Sintering.
2.Al2O3 content is 35%-80%.
3.Main mineral components are corundum and mullite phases.
4.Refractoriness is usually above 1690°C,refractoriness under load is 1300-1550°C.It is a neutral refractory material so that it enjoys excellent resistance to acid and alkali corrosion.
5.Working temperature:1350°C -1650°C.
6. Thermal expansion <0.6%
Brand |
SK-32 |
SK-34 |
SK-36 |
HA-60 |
HA-70 |
HA-80 |
Al2O3(%) |
>35 |
>40 |
>50 |
>60 |
>70 |
>80 |
Fe2o3(%) |
<3 |
<2 |
<2 |
<2 |
<2 |
<2 |
Refractoriness |
1690 |
1720 |
1750 |
1770 |
1790 |
1790 |
refractoriness under load 0.2mpa(C) |
1300 |
1450 |
1450 |
1450 |
1510 |
1530 |
Porosity(%) |
19-23 |
19-23 |
19-23 |
19-23 |
19-23 |
19-23 |
Bulk density(g/cm3) |
>2.15 |
>2.2 |
>2.3 |
>2.35 |
>2.4 |
>2.4 |
Cold cushing strength (mpa) |
>25 |
>30 |
>40 |
>45 |
>50 |
>60 |
Thermal expansion at 1000C(%) |
<0.6 |
<0.6 |
<0.6 |
<0.6 |
<0.6 |
<0.6 |
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