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SN series air brick produced by our company has high penetration rate, airflow is easy to be adjusted, good resistance to heat and shocking, good stability and high resistance to corrosion, long service life, obvious effect to balance temperature and composition of steel liquid, reduce gas and slag in steel liquid.
Physical and Chemical Index：
|
Mark/Item |
SN-ACT90 |
SN-AMT90 |
|
Chemical Composition % |
Al2O3 ≥ |
90 |
90 |
|
MgO ≤ |
-- |
6 |
|
Cr2O3 ≥ |
3 |
-- |
|
Volume Density （g/cm3） |
110℃×24h |
≥3.20 |
≥3.20 |
|
1450℃×3h |
≥3.15 |
≥3.15 |
|
Compression Strength （Mpa） |
110℃×24h |
≥60 |
≥60 |
|
1450℃×3h |
≥90 |
≥90 |
|
Rupture Strength（Mpa） |
110℃×24h |
≥12 |
≥12 |
|
1450℃×3h |
≥18 |
≥18 |
|
0.2Mpa Flow（m3/h） |
≥12 |
≥12 |
|
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