| Customization: | Available |
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| Feature: | Long Time Materials |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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The high alumina brick with more than 48% Al2O3 content is a kind of neutral refractory.It is formed and calcined by bauxite or other high content of alumina raw materials. High thermal stability,fire resistance at 1770C and above
| Item Index |
UN-80 | UN-75 | UN-65 | UN-55 | UN-48 | |
| Al2O3 % ≥ | 80 | 75 | 65 | 55 | 48 | |
| Refractoriness ºC ≥ | 1790 | 1790 | 1790 | 1770 | 1750 | |
| Apparent.Porosity.% ≤ | 22 | 23 | 23 | 23 | 23 | |
| Cold.Crushing.Strength(Mpa)≥ | 80 | 55 | 50 | 45 | 40 | |
| Permanent Linea Change%≤ |
1500Cx2h | 0.1~-0.4 | 0.1~-0.4 | 0.1~-0.4 | 0.1~-0.4 | - |
| 1450Cx2h | -- | -- | -- | -- | 0.1~-0.4 | |
| Refractoriness Under Load 0.2Mpa ºC ≥ | 1530 | 1520 | 1500 | 1470 | 1420 | |
| Application | General Industrial Furnaces | |||||
1)Cement and other building materials industry kiln back insulation;
2) Petrochemical, metallurgical, ceramics, glass industry, the furnace lining insulation;
3)Heat treatment furnace backlash insulation;
4)Non-ferrous metal industry back insulation;
5)High temperature reaction, heating equipment back insulation insulation
1.What kind of product can you offer ?
Our company can offer industrial refractory insulation materials. For example: Ceramic Fiber Products, Soluble Fiber Products,Fiberglass Products,Calcium Silicate Products, Mineral Wool, Rock Wool,Insulating Firebricks Etc.
2.Can you provide free samples ?
Free samples are available !
3.What is your MOQ?
We don't have particular MOQ, we can accept any order for any different projects.
Price depends on quantity.
4.Can we have a visit to your factory ?
Yes! Of course,welcome to visit our factory at anytime !
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