Sillimanite Bricks
Specifications
Mainly made of sillimanite,high quality synthetic mullite raw material,low-impurity,featuring high refractories under loadThe products are mainly made of sillimanire, high quality synthetic mullite raw material, low-impurity , featuring high refractories under load , low apparent porosity, good thermal shock and abrasion resistance.
|
Item
|
Sillimanite bricks |
|
Standard |
Typical |
|
Al2O3,% |
≥70 |
71.66 |
Fe2O3,% |
≤1.0 |
0.32 |
Apparent porosity |
≤18 |
15.0 |
0.2MPa refractoriness under load, °C |
≥1560 |
1580 |
Bulk density,g/cm3 |
≥2.70 |
2.71 |
Refractoriness, °C |
≥1790 |
1790 |
Cold crush strength,MPa |
≥70 |
101.5 |
Thermal shock resistance(1100°C water cooling, times) |
≥20 |
30 |
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