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Mullite(3Al2O3.2SiO2)Castable Refractory

 
Properties
Brand Properties HR-ASA HR-ASB
Chemical Composition (%) Al2O3 ¡Ý78 ¡Ý75
SiO2 ¡Ü20 5-10
SiC - ¡Ý5
Max service temperature (¡ãC) 1600 1500
Bulk density after burnt at 110¡ãC (g/cm3) ¡Ý2.6 ¡Ý2.4
Linear changing after burnt at 1500¡ãC¡Á3h (%) 0.1~ -0.6 0.1~ -0.6
Compressive/Bending Strength (MPa) 110¡ãC¡Á24h ¡Ý50/¡Ý7 ¡Ý50/¡Ý7
1100¡ãC¡Á3h ¡Ý60/¡Ý8 ¡Ý60/¡Ý8
1500¡ãC¡Á3h ¡Ý90/¡Ý12 ¡Ý90/¡Ý12
Water content for construction by weight ( % ) 5-7 5-7
Usage Hood,Cement kiln
Test standard YB/T5202-2003
Packing 25kg plastic bag