Main Data
See also
Ultra-low cement castables
«BORCAST» castables are used for making monolithic lining and manufacture of refractory products.
Technical characteristics
| Rate for grade | ||||||
|---|---|---|---|---|---|---|
| BORCAST-42UW(US) | BORCAST-45UW(US) | BORCAST-50UW(US) | BORCAST-62UW(US) | BORCAST-72UW(US) | BORCAST-90UW(US) | |
| Spec. 14-194-289-09 | ||||||
|
Mass fraction, %: Al2O3, minimum Fe2O3, maximum CaO, maximum |
42 3,0 1,0 |
45 2,5 1,0 |
50 1,5 1,0 |
62 1,5 1,0 |
72 1,3 1,0 |
90 1,0 1,0 |
| Compressive strength after heat treatment (1300 °С), N/mm2, minimum | 30 | 40 | 65 | 35 | 45 | 70 |
| Apparent density after heat treatment (1300 °С), g/cm3, minimum | 2,10 | 2,15 | 2,20 | 2,45 | 2,50 | 3,00 |
| Thermal shoсk resistance at 1300°C - water, heat cycles, minimum | - | - | - | 30 | - | - |
| Water content when delivered, %, maximum | 0,7 | |||||
| Granularity: remainder on mesh №7, %, maximum passage through mesh №0063, %, minimum |
10 30 |
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For BORCAST-62UW: minimum passage through mesh №0063 may be 20%.