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Product Description
Calcium aluminate refractory cement
Items | CA-50-G5 | CA50-G6 |
Refractoriness ℃ | 1420-1460 | 1420-1460 |
Chemical composition % | ||
Al2O3 min | 50 | 50 |
CaO max | 32.5 | 33 |
SiO2 max | 8.0 | 8.0 |
Fe2O3 max | 2.5 | 2.5 |
Na2O+K2O max | 0.4 | 0.4 |
Specific density g/cm3 | 2.95-3.05 | 2.95-3.05 |
Specific surface area m2/kg min | 300 | 300 |
Mortar performance | 30 | |
Initial setting time minutes min | 30 | 360 |
Final setting time minutes max | 360 | |
Rupture strength Mpa | ||
24 hr | 5.5 | 6.0 |
72 hr | 6.0 | 7.0 |
Cold crushing strength Mpa | ||
24 hr | 40 | 45 |
72 hr | 50 | 55 |
Castable performance | Fireclay castable | Fireclay castable |
Water addition % | 11 | 11 |
Flow value mm | ||
Initial flow value | 195 | 197 |
30 minutes | 214 | 214 |
60 minutes | 175 | 180 |
Cold crushing strength Mpa | ||
24 hr room temperature | 20 | 24 |
110℃ dry 24hr | 48 | 58 |
1100℃ heating 6 hr | 29 | 31 |
