Low Cement High Alumina Castable

Product Introduction

Low cement high alumina castable manufacturing is union in clay refractory castable, on the basis of the development of the main varieties have low cement, ultra-low cement and without cement or superfine powder sol combined with such as refractory castable, it combines the advantages of the most refractory castable in one, with a high density, low porosity, high strength, low abrasion, thermal shock and erosion resistance properties. The use effect is better and the social economy benefit is remarkable.

The outstanding characteristic of low cement high alumina castable manufacturing is density and high strength, which brings benefits for use, but brings trouble for baking, that is, improper baking. Easy to occur peeling or blasting phenomenon. Solid this to high aluminum quality low cement castable baking to formulate a reasonable hong-furnace curve and the use of excellent explosion-proof admixture, so that the castable molding body of the water smoothly removed, do not cause any side effects.

 

Low cement high alumina castable manufacturing
Low cement high alumina castable manufacturing

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    Low Cement High Alumina Castable Physicochemical Indexes

     

    Product Name RS-16T RS-16 RS-160(LC-160) RS-15B(GJ-15B)
    Chemical Composition (%)≥ Al2O3 75 70 75 70
    Bulk Density Dried(kg/cm3)≥ 110℃×24h 2650 2600 2700 2600
    Cold Crushing Strength(MPa)≥ 110℃×24h 100 100 100 80
    1100℃×3h 110 100 110 100
    1500℃×3h 110 150
    Cold Modules of Rupture(MPa)≥ 110℃×24h 10 8 14 10
    1100℃×3h 12 10 15 12
    1500℃×3h 12 15
    Permanent Linear Change(%) 1100℃×3h ±0.3 ±0.4 ±0.4 ±0.4
    1300℃×3h ±0.5(1500℃) ±0.5 ±0.5(1500℃) ±0.5
    Alkali Resistance Grade ǁ Grade ǁ
    Maximum Service Temp(℃) 1600 1600 1600 1500
    Water Addition(%) 5.5-6.5 6.0-7.5 5.5-6.0 5.5-6.5
    Application Kiln hood cooler,etc. Kiln hood cooler,etc. Outlet, burner kiln hood cooler,etc. Kiln hood cooler,etc.

     

    Low cement high alumina castable manufacturing is widely used in the lining of heating furnace, lining of ladle and tunic permanent layer, working layer of molten iron ladle and lining of cement rotary kiln. There are many factors affecting the performance of low cement refractory castable, mainly including powder, binder and dispersant. In addition, the material and water content are also important factors.

     

    Low Cement High Alumina Castable Advantage

    1. High aluminum content
    2. Low content of refractory cement
    3. The strength
    4. Resistance to erosion
    5. Wear resistance
    6. Excellent performance

     

    Low cement high alumina castable
    Low cement high alumina castable

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      Application

      This series of refractory materials are widely used in metallurgy, petrochemical, mechanical manufacturing, power and building materials and other industrial kilns. These industries have generally used this kind of castable to replace the traditional fired refractory as the lining. Also can be used for heating furnace, all kinds of heat treatment furnace, electric furnace cover, shaft kiln, rotary kiln, made out of iron hook, ladle, ladle lining.

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