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refractory materials
Product Detailed
Related Categories:Refractory
Detailed Product Description
The kind of refractory material has a high intensity, size stability, high temperature structural strength, low-temperature creep, good thermal shock stability,alkali erosion of good characteristics, usually used in cement kiln preheater and calciner, three air duct, and blast furnace, hot blast air duct, lime kiln, glass furnace of the Road and cover.
Mark | High strength Type | |
| Al2O3 | 25~30 |
Fe2O3 | ≤2 | |
SiO2 | 65~70 | |
Refractoriness() | ≥1550 | |
Density(g·-3) | 2.2 | |
Apparent porosity (%) | ≤20 | |
Compressive strength (MPa) | ≥60 | |
Refractoriness under load T0.6 | ≥1250 | |
Thermal expansion rate(900) [%] | 0.7 | |
Thermal conductivity/ (350) [W/(m·K) ] | 1.28 | |
Thermal shock resistance1100→water cold[times] | ≥25 | |
