Physical and chemical indexes of products
Refractory materials with different indicators can be customized according to demand. Call 400-188-3352 for details Project | Index | ||||
MHK-1 | MHK-2 | MHK-3 | MHK-4 | ||
Al2O3 % | ≥45 | ≥55 | ≥50 | ≥60 | |
SiC % | ≥25 | ≥10 | ≥25 | ≥12 | |
F.C % | ≥2 | ≥2 | ≥2 | ≥2 | |
Bulk density g/cm3 | ≥2.35 | ≥2.35 | ≥2.65 | ≥2.75 | |
Compressive strength at room temperature MPa | 110℃×24h | ≥3 | ≥3 | ≥3 | ≥3 |
1450℃×3h | ≥4.5 | ≥4.5 | ≥4.5 | ≥4.5 | |
Cold crushing strength MPa | 110℃×24h | ≥20 | ≥25 | ≥20 | ≥25 |
1450℃×3h | ≥30 | ≥45 | ≥30 | ≥45 | |
Heating of the permanent line changes % 1450℃×3h | ±0.7 | ±0.7 | ±0.5 | ±0.5 |