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High Quality Refractory Concrete Mullite Refractory Castable for Cement Kilns
Mullite castable is a type of refractory that shows excellent performance in all aspects, and its main features include high purity, fewer impurities, great resistance to rapid cooling and heating and most desirable stability during application.
1. 75% Al2O3 High Strength Refractory Mullite Wear-resistant Castable for Hot metal Ladle Tundish .
2.Easy to use.
3.High refractoriness.
4.Factory outlets.
7 High Quality Refractory Concrete Mullite Refractory Castable for Cement Kilns are featured with high strength, good wear resistance, permeability resistance, erosion resistance, good mechanical properties, convenient construction, etc. It is commonly used in top of CFB boiler furnace, rear wall, etc.
Characters of 75% Al2O3 High Strength Refractory Mullite Wear-resistant Castable :
1. High refractoriness, high refractoriness under load.
2. High density, low porosity.
3. Good slag resistance and corrosion resistance.
4. High strength and wear resistance.
5. Good resistance to flake performance.
6. Good thermal shock stability.
7. Scouring resistance
8. Good hot strength.
Application of the High Quality Refractory Concrete Mullite Refractory Castable for Cement Kilns :
1. Furnaces of metallurgy industry, heat treatment furnace.
2. Furnace of incineration of garbage, recirculating fluidized bed furnace.
3. Furnaces of chemical industry and construction industry.
4. Tundish lining
Physical andChemical Indicators:
Item |
MC-60 |
MC-65 |
MC-75 |
|
Chemical Composition % |
Al2O3 ≥ |
60 |
65 |
75 |
Bulk density g/cm3 |
110°C,24h |
2.4 |
2.5 |
2.7 |
Reheating linear change % |
1500°C,3h |
±0.5 |
±0.5 |
±0.5 |
|
Bending Strength MPa |
110°C,24h |
9 |
10 |
10 |
1100°C,3h |
11 |
11 |
12 |
|
1500°C,3h |
12 |
12 |
12 |
|
Compressive strength MPa |
110°C,24h |
60 |
70 |
80 |
1100°C,3h |
70 |
80 |
80 |
|
1500°C,3h |
80 |
90 |
100 |
|
Service temperature °C ≥ |
1400 |
1450 |
1500 |
|
High Quality Refractory Concrete Mullite Refractory Castable for Cement Kilns packed with plastic bags, with water-proof cover , and tightened with plastic bandages or according to your request
High Quality Refractory Concrete Mullite Refractory Castable for Cement Kilns
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 al brick resistant to spalling, 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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