Andalusite High Alumia Brick

 

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Parameter:

Item Parameter
HD HS HB
Al2O3 (%) 53 57 65
Fe2O3 (%) 1.7 * 1.5 * 1.0 *
TiO2 (%) 0.6 0.5 0.5
2)Volume density (kg/m3) 2325/2275 2400/2350 2450/2400
3) True density (kg/m3)

 

 

 

 

4)Apparent porosity  (%) 20/22 * 20/22 * 20/22 *
5)True porosity (%)

 

 

 

6)Compressive strength (Mpa) 40/30 40/30 50/40
7) Flexural strength (Mpa) 38701 38701 18/15
8)Thermal shock resistance (Times) 20 * 20 * 20 *
9)Reheating Liner Change Rate (%)

 

1400℃/4h -0.2~0.2 1500℃/4h -0.2~0.2 1500℃/4h -0.2~0.2
10)Creep rate
(20~50h/0.2MPa)
(%) 1350℃ *
0.2
1400℃*0.2 1500℃*0.2
11)RUL(Refractory under Load)(0.2MPa)
0.50%> 1350 * 1420 * 1520 *
2.00% 1490 1580 1630
5.00% 1560 1600 1650

 

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