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Product Description
Refractory cement
Items | CA-80E | CA-85G | CA-80A | |||
Refractoriness ℃ | 1780-1820 | |||||
Chemical composition % | ||||||
Al2O3 min | 77 | |||||
CaO max | 20 | |||||
SiO2 max | 0.5 | |||||
Fe2O3 max | 0.5 | |||||
Na2O+K2O max | 0.4 | |||||
S max | 0.1 | |||||
Specific density g/cm3 | 3.2-3.3 | 3.2-3.3 | 3.2-3.3 | |||
Specific surface area m2/kg min | 650 | 650 | 650 | |||
Initial setting time minutes min | 30 | 30 | 30 | |||
Final setting time minutes max | 360 | 360 | 360 | |||
Rupture strength Mpa | ||||||
6 hr | 3.0 | - | - | |||
24 hr | 4.5 | 4.0 | 4.5 | |||
72 hr | 5.5 | 5.0 | 5.5 | |||
Cold crushing strength Mpa | ||||||
6 hr | 10 | - | - | |||
24 hr | 30 | 25 | 30 | |||
72 hr | 40 | 30 | 40 | |||
Castable performance | Corundum castable | Low cement castable | Corundum castable | Low cement castable | Corundum castable | Low cement castable |
Water addition % | 5.2 | 6.8 | 5.2 | 6.8 | 5.2 | 6.8 |
Flow value mm | ||||||
Initial flow value | 200 | 180 | 207 | 180 | 217 | 159 |
30 minutes | 185 | 176 | 190 | 171 | 195 | 150 |
60 minutes | 177 | 166 | 180 | 164 | 190 | 151 |
Cold crushing strength Mpa | ||||||
24 hr room temperature | 15 | 15 | 14 | 15 | 14 | 15 |
110℃ dry 24hr | 71 | 86 | 76 | 102 | 67 | 70 |
1100℃ heating 6 hr | 51 | 119 | 55 | 118 | 47 | 118 |
