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Sillimanite Rider Arch
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| 项目 Item | AS-60 | AS-65 |
| Al2O3 (%) | ≥60 | ≥65 |
| Fe2O3(%) | ≤1.3 | ≤1.0 |
|
耐火度(℃) Refractoriness |
≥1750 | ≥1770 |
|
荷重软化温度(KD℃) Softening Temp Under Load |
≥1550 | ≥1600 |
|
显气孔率（%） Apparent Porosity |
≤18 | ≤20 |
|
体积密度(g/cm3) Bulk Density |
≥2.4 | ≥2.45 |
|
常温耐压强度(Mpa) Cold Crushing Strength |
≥60 | ≥80 |
|
热稳定性（1100℃水冷）次 Thermal Shock Stability 1100℃ Water |
≥20 | ≥15 |
This kind of product adopts the natural sillimanite. It provides good structure, good heat stability, and strong rush resisting,widely used in glass furnace such as rider arches, checker bricks etc.
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