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Refractories Castables For Metallurgical Industry-Abrasion resistant refractory castable for circulation fluidized bed boiler(CFBC castable)
Abrasion resistant refractory castable for circulation fluidized bed boiler(CFBC castable)

Technical Data

Brand CFBC-A CFBC-B
Chemical composition(%) Al2O3 70% Min 75% Min
SiO2 26% Max 21% Max
Bulk density(g/cm3) 2.70 2.80
Cold crush strength(Mpa) 110℃×24h 60 65
1100℃×3h 90 95
1400℃×3h 90 100
Modulus of rupture( Mpa) 110℃×24h 8.5 9.3
1100℃×3h 11.5 12.5
1400℃×3h 13.0 13.5
at room temperature wear,CM3 7.5 max 7 max
0.2Mpa refractories under load( ℃) 1450 min 1490 min
Thermal shock resistance(900 ℃,water) cycles 25 min 20 min
Max service temperature ℃ 1600 1550
permanent linear change (%) -0.3 Max -0.3 Max

 

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