Steel fiber alumina-mullite castable
Specification: 25kg/bag
Steel fiber alumina-mullite refractory castables have the common advantages of steel fiber castables and mull castables; they have high strength at high temperatures, good thermal shock resistance and anti-structure spalling performance; they have good heat shock resistance, high early strength short demoulding time, and can be restored to production simply by baking, greatly shortening the construction period, and the economic effect is significant. High softening, low high temperature creep rate, good resistance to sudden cooling and sudden heating. It can be used for the anti-wear lining of large power station boilers and high temperature furnaces. It can also be used for the door and top of the furnace, so this part must have high temperature strength and sudden cold and sudden heat Similarly, this castable is also used for the front and rear of the large and medium-sized rotary kiln, the coal injection pipe and other parts.umina-mullite castables are also called steel fiber composite mullite castables, because the refractory raw materials of alumina and mull contain abrasion-resistant properties, so they are named refractory castables according to their raw materials and properties. Application scope: It can be for the furnace lining of the tube heating furnace in the petrochemical industry, the furnace lining of the light diesel and ethane cracking furnace, the atmospheric and vacuum, the sulfur recovery unit, other high-temperature industrial furnaces, the door, fire hole, observation hole lining, the anti-wear lining of large power stationers, gasification furnaces, circulating fluidized bed boiler linings and cement rotary kiln coal injection pipes, kiln mouth kiln tail and other hightemperature furnace linings.
Project
| Steel fiber alumina-mullite castable | Corundum mullite casting material |
Al2O3/% | ≥75 | ≥80 |
Volume density g/cm³ | 2.7 | 2.8 |
Heating wire variation rate/% | ±0.5 | ±0.5 |
Pressure resistance/MPa | 90 | 100 |
Construction water addition/% | 5-6 | 5-6 |
Use temperature/℃ | 1450 | 1500 |
Construction method | Shuttering Vibration | Shuttering Vibration |
Application area | furnace top, etc., this product has property of withstanding sudden cooling and heating. | |
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