1,Product description:
Sillimanite bricks used in glass kilns have good compactness, anti-spalling, erosion resistance and alkali slag corrosion resistance. sillimanite is the main raw material used in the product. The sintering temperature of the product is above 1450℃.
2,Index:
Item | JMSS |
Al2O3 % | 65-75 |
Al2O3+SiO2 % | >98 |
Fe2O3 % | <0.5 |
Refractoriness ℃ | >1790 |
Refractoriness under load ℃ | ≥1600 |
Apparent Porosity % | ≤15-22 |
Bulk Density g/cm3 | 2.5-2.65 |
Cold crushing Strength Mpa | >70 |
Permanet liner change on reheating 1400℃×2h | ±0.1 |
Thermal Shock Resistance | >20 |
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