Yangquan ZG Refractories Co.,ltd
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High alumina firebrick
High alumina firebrick is one of neutral refractory materials ,was made by bauxite and other high oxide raw materials. Because its high thermal stability ,Good slag resistance .and refractoriness above 1770℃.Normally use for lining of steel melting furnace ,glass melting furnace ,cement rotary kiln …
Features:
· High impact bearing capacity
· Superior strength
· Durable finish standards
· Withstand high temperature
High Alumina Firebrick Technical Parameter
| Items | Technical Specifications | ||||
| GL-80 | GL-75 | GL-65 | GL-55 | GL-48 | |
| AL2O3 %≥ | 82 | 75 | 65 | 55 | 45 |
| Fe203 % < | 2.0 | 2.5 | 2.5 | 2.6 | 2.0 |
| Density g/cm3 | 2.6 | 2.5 | 2.4 | 2.3 | 2.2 |
| Cold crushing strength MPa > | 80 | 70 | 60 | 50 | 50 |
| Refractoriness under load 0.2Mpa ℃ | 1550 | 1510 | 1460 | 1420 | 1420 |
| Refractoriness ℃ > | 1790 | 1790 | 1770 | 1770 | 1770 |
| Porosity % < | 21 | 22 | 23 | 24 | 24 |
| Linear change % | -0.2 | -0.3 | -0.4 | -0.4 | -0.4 |
Packaging & Delivery
Packaging Detail: wooden pallets with plastic film. Each 20ft container as customer requirement
Delivery Detail: within 15 to 20days
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