QINGDAO LAURENT NEW MATERIALS CO.,LTD
QINGDAO LAURENT NEW MATERIALS CO.,LTD The Professional manufacturer of refractory and insulation materials in China.
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We can offer a complete range of High strength Andalusite Runner refractory brick for steel casting. In order to meet the specific requirements of each steel plant, we has set up a vast assortment of moulds and is therefore in a position to produce custom-made products or special shapes according to different production requirements.
Since 2010 establishment, laurel refractory professional manufacturer who is dedicated in bottom pouring refractories. Being located in Zichuan,Zibo,Shandong China, we are 250 kilo meters away from Qingdao port and 100 KM to Jinan International Airport.and we has been devoted to the research and development of hollow wares that serves special steel ingot casting of Steel and Foundry industry. Our products feature high refractoriness, better molten steel flow rate, stable thermal shock performance etc. Rich experience has been achieved during years of production and supply to overseas markets
Technical data
| Description | 40% | 50% | 60% | 70% | 80% | |
| Bulk Density | g/cm3 | 2.15 | 2.2 | 2.3 | 2.4 | 2.5 |
| Apparent Porosity | % | 24 | 24 | 24 | 23 | 23 |
| Cold Crushing Strength | MPa | 30 | 40 | 45 | 50 | 55 |
| Refractoriness | ℃ | 1710 | 1730 | 1750 | 1800 | 1830 |
| Softening temperature under load | ℃ | 1350 | 1430 | 1450 | 1500 | 1550 |
| Chemical Composition | % | |||||
| -Al2O3 | 40 | 50 | 60 | 70 | 80 | |
| -Fe2O3 | 2.5 | 2 | 2 | 2 | 2 |
