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Help CenterHigh Temperature Furnace Building Used High Alumina Fire Block With 55% 65% 75% Al2O3
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High Temperature Furnace Building Used High Alumina Fire Block with 55% 65% 75% Al2O3
High alumina bricks is made of high-quality bauxite clicker as starting material by sgaping at high pressure and sintering at high temperature.
Factory supply high alumina SK36 refractory block
Specifications:
1,High temperture resistant
2,Chemical erosion resistant
3,thermal stability
4,slag resistance
High Alumina refractory fire blocks Indicators:
| Item | Index | ||||
| International Code Name | SK35 | SK36 | SK37 | SK38 | SK40 |
| Chinese Code Name | LZ-48 | LZ-55 | LZ-65 | LZ-75 | LZ-80 |
| Al2O3 ,% | ≥48 | ≥55 | ≥65 | ≥75 | ≥80 |
| Fe2O3, % | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 |
| Refractoriness℃, min | 1750 | 1770 | 1790 | 1790 | 1790 |
| Apparent Porosity% | ≤22 | ≤22 | ≤23 | ≤23 | ≤21 |
| Bulk Density g/cm3 | 2.25-2.35 | 2.25-2.35 | 2.25-2.35 | 2.25-2.35 | 2.25-2.35 |
| Cold Crushing Strength Mpa | ≥39 | ≥44 | ≥49 | ≥54 | ≥65 |
| 0.2Mpa Refractoriness Under Load T0.2 ℃,min | ≥1420 | ≥1470 | ≥1500 | ≥1520 | ≥1530 |
| Permanent Linear Change On Reheating (%)1500℃X2h | +0.1~-0.4 x1450℃ | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 |
High Alumina block Advantages:
1. Corrosion-resistant;
2. Various shapes
3. High quality;
High Alumina refractory fire block Application
1.Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
High Alumina refractory fire blocks Packaging & Shipping
The bricks are packed on wooden pallet with papers in each layer and PP film wrapped outside of the whole pallet.
Zhengzhou Dengda Electric Melting Charging Co., Ltd. has always aimed at the international and domestic refractories trends and the new technology, establishing the partnership with a number of universities and research institutes in terms of technological cooperation. With the municipal testing center and R & D institutions, it has strong capabilities in researching and developing new products.
The company is located in the hinterland of the Central Plains, adjacent to the Zhengzhou International Airport and Beijing-Guangzhou, Longhai railway lines, where the traffic is convenient and communication facilities are consumate. Moreover, this territory rich in mineral resources of good quality. Such unique conveniences provide excellent natural conditions for the production and development of refractory materials.
The company has all kinds of production equipment and testing equipment, with an annual output capacity of 200,000 tons of a wide variety of refractory materials. The main products are:
1.Al2O3-SiO2 series of products: including silica mullite brick, high Alumina fire blocks,low porosity fire clay bricks. fire clay and high alumina, corundum, phosphate high alumina bricks, brick resistant to aikali, brick resistant to acid, silicon carbide products, etc.
2.A series of basic bricks including environmental protection composite brick, toughness composite brick, direct bonded magnesia chrome brick, modified direct bonded magnesia chrome bricks, iron-magnesia composite spinel brick.iron-magnesia spinel, periclase-spinel brick. MgO-Al2O3 spinel brick, fused rebounded magnesia-chrome birck. fused semi-rebonded magnesia-chrome brick, AZS brick, refractory ball, etc.
3.Un-shape products including chemical electric power, metallurgical, building materials fields with all kinds of ramming material, low cement castable, high Strength Alumina materials, high strength steel fiber reinforced castable, castable resistant to alkali corundum castable. mullite castable, ceramic coal and paint resistant to wear, gunning refractory mix. etc.
4.Insulation materials Including high alumina heat insulation brick, mullite heat-insulation bricks, fire clay insulation brick, alumina hollows ball brick, light weight heat-insulation castable and various types of calcium silicate Board, ceramic fiber board and blanket etc.
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