mullite tube/ pipe for bottom run steel casting
Detailed Product Description
Spec. | Stardand value | Typical value | Chinese Test standard |
AL2O3 % | >68 | 70 | GB/T 6900 |
Fe2O3 % | <2.0 | 1.3 | |
Bulk Density g/cm3 | >2.3 | 2.34 | GB/T2997-2000 |
Apparent Porosity % | <27 | 24 | GB/T2997-2000 |
Cold Crushing Strength Mpa | >30 | 35 | GB/T5072-1998 |
Refractoriness | 1790 |