| Refractoriness (℃): | 1770< Refractoriness< 2000 |
|---|---|
| Feature: | Long Time Materials |
| Type: | Magnesium Oxide Boards |
| Shape: | Brick |
| Material: | Alumina Block |
| Transport Package: | Fumigation Wooden Pallet |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Al2O3 :46 -53%
Fe2O3 -≤1.6%
CaO + MgO -≤0.7%
Na2O + K2O -≤ 0.8%
Bulkd ensity≥2.2 gm/cm3
Refractoriness under load≥1490°C
Cold crushing strength ≥44 N/mm2
MOR 1200°C≥12 N/mm2
MOR 1350°C≥ 6 N/mm2
Creep rate 1280°C 0 h - 25hr 0.2 N/mm2 ≤0.25%
Max service temperature ≥1490°C
Thermal expansion 20°C -1000°C - ≤ 0.7% ,
Apparent porosity ≤15%
Raw material workshopContract Kiln Construction Certificates 
Suppliers with verified business licenses
Audited Supplier 
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