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