High strength High Alumina FireProof precast block for industrial kilns
High Alumina FireProof precast Refractory shape is made of refractory aggregates, powders, binders, addictives, water or other liquids, puried into a fixed shape fire proof brick. It can be precast into a variety of shapes. According to the material the fireproof precast block can be devided into high alumina, crundum, fireclay, mullite fire proof bricks.
High Alumina FireProof precast Refractory shape with features of:
1, No seams, low porosity and good air tightness
2, High cold crushing strength and bending strength
3, Good spalling resistance, long service time
4, Less heat loss and energy saving
5, Good thermal shock stability at high temperature
High Alumina FireProof precast Refractory shape can quickly repair the furnace, improving the furnace operating rate. And according to the customers' requirements and furnace condition, we can solve the technical problems in the process of building the furnace and design numbers of construction programs.
High-Al precast refractory shape |
Al2O3 (%, Min) |
B.D (g/cm3,Min) |
C.C.S (Mpa) |
Bending strength (MPa) |
P.L.C (%,3h *1500℃) |
Refractoriness (℃,Min) |
||
24h * 110℃ | 3h *1100℃ | 24h * 110℃ | 3h * 1100℃ | |||||
YZ-13 | 70 | 2.3 | 37 | / | / | / | ±1.0 | 1750 |
YZ-14 | 60 | 2.4 | 25 | 45 | 7.0 | 35 | ±1.0 | 1770 |
YZ-15 | 60 | 2.3 | 50 | 80 | 7.0 | 12.0 | ±0.5 | 1770 |