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SUPER REFRACTORIES

Product Name
SEA TA90
SEA MUL70
SEA ZB

 
Physical Properties 
Chemical Analysis
AL2O3 (%)
93 - 96
70 - 71
3.0
SiO2 (%)
5 - 6
26 - 27
35 - 36
Fe2O3 (%)
0.3
0.3
 
ZrO2 (%)
 
 
62 - 64
Bulk Density (g/cm3)
3.14
2.4
3.3
Apparent Porosity (%)
16.5
20.5
23 - 24
Cold Crushing Strength (kg/cm2)
900
470
500
Refractoriness (SK)
>38
38
 
(P.C.E.) (°C)
>1850
1850
Dissociates at 1720°C
R.U.L. at 2 kgf/cm2
       2% sub. at        > 1650°C
       2% sub. at        > 1620°C
         2% sub. at        > 1600°C
Service Temperature °C
1750
1600
1550
 


 

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