1.Low porosity fireclay brick
2.Stong resistance to erosion
3.High refractoriness under load.
Typical applications
for blast furnace
technical data
item | ZRN-42 | RN-42 |
|
| Al2O3(%)≥ | 42 | 42 | |
Refractoriness(°c)≥ | 1750 | 1750 |
|
Refractoriness under load(°c)≥ | 1450 | 1430 |
|
Linear change of re-heating1450°cx2h(%) | +0 -0.2 | +0 -0.3 | |
Fe2O3(%)≤ | 1.6 | 1.7 |
|
Apparent porosity(%)≤ | 15 | 16 |
|
Cold crushing strength(mpa)≥ | 58.8 | 49.0 |
|
Introduction of products
Yonganda clay brick for blast-furnace is made of flint and fire clay,thebrick is used in air furnace,partition walls besides the blast furnace.
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