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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(%)
Al
2
O
3
70% Min
75% Min
SiO
2
26% Max
21% Max
Bulk density(g/cm
3
)
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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