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| Al2O3(%): | ≥78 | SiO2(%): | ≤15 |
|---|---|---|---|
| Bending Strength(MPa): | ≥10 | Compressive Strength(MPa): | ≥100 |
| Feature: | Low Cement | Application: | Industry Kilns |
| High Light: | low cement castable,castable ceramics |
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High alumina based castable refractory Low cement monollithic refractory for Industry kilns
High alumina low cement castable refractory refers to monolithic refractory materials with less than 8% CaO cement. It is required that the content of CaO in the castable is less than 2.5%, and its main type is low cement (Cao content 1%~2.5%), ultra low cement (1% CaO content)and no cement ( CaO ≤0.2%) refractory castable. We Provide a wide range of low cement castable, high alumina based low cement castable, mullite based low cement castable and corundum based low cement castable.
High alumina low Cement Castable Refractory is widely used in industry kilns such as cement rotary kiln, liningheating furnace, soaking pit and other heat treatment furnaces.
High alumina low cement castable features:
1. Lower porosity and High bulk density
2. Low abrasion and good erosion resistance
3. Strong erosion resistance
4. High cold crushing strength
5. Good high temperature performance
| Product name | High-alumina low cement castable | Corundum based low cement castable | ||||
| Brand | G-15 | G-16 | G-17 | G-18S | G-18 | |
| The highest working temp (℃) | 1500 | 1600 | 1650 | 1700 | 1750 | |
| Bulk density 110℃ dry off (g/cm3) ≥ | 2.60 | 2.65 | 3.00 | 3.00 | 3.00 | |
| Chemical content (%) | Al2O3 (%) ≥ | 75 | 78 | 90 | 92 | 93 |
| SiO2 (%) ≤ | 20 | 15 | 6 | 4 | 1 | |
| Bending strength (MPa) ≥ | 110℃×24h | 8 | 10 | 13 | 13 | 8 |
| 1100℃×3h | 8 | 10 | 13 | 13 | 8 | |
| 1500℃×3h | / | / | 15 | 15 | 8 | |
| Cold crushing strength (MPa) ≥ | 110℃×24h | 80 | 100 | 100 | 100 | 80 |
| 1100℃×3h | 80 | 100 | 100 | 100 | 80 | |
| 1500℃×3h | / | / | 100 | 100 | 80 | |
| Reheat linear change (%) | 1100℃×3h | -0.1~0.3 | -0.1~0.3 | -0.1~0.3 | -0.1~0.3 | +0.20 |
| 1500℃×3h | / | / | -0.2~0.6 | -0.2~0.6 | +0.50 | |
| Water content for construction (%) | 6-7 | 5.5-6.5 | 4.5-5.5 | 5-6 | 5.5-6.5 | |
| Application | Cement rotary kiln mouth, kiln hood, cooler and other industrial kiln lining | Cement rotary kiln mouth, coal-injection duct and other industrial kiln lining | ||||
Contact Person: Astra
