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Tabular Alumina,Spinel Castable Refractory for Steel ladle castable
 
 
Technical data sheet
Brand GT-25
Max service temp.(°C) 1800
Bulk density(g/cm3) 3.09
Chemical composition(%) Al2O3 96.38
SiO2 0.14
MgO 1.73
Cold crush strength(Mpa) 110°C×24h 58.3
1600°C×3h 154
Modulus of rupture(Mpa) 110°C×24h 9.7
1600°C×3h 31.8
permanent linear changes on reheating (%) 1600°C×3h 0.0

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