Acid-resistant castable material
Category:
Refractory castable
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Details Introduction
Product Description
Acid-resistant castables have good resistance to all inorganic and organic acids except hydrofluoric acid and hot phosphoric acid. The production process and construction are simple, with high material utilization, and they have high strength at room temperature. They can also be made into prefabricated parts for installation on-site in kiln rotation work, such as pouring in chimney linings.
Physical and Chemical Indicators
| Item |
Indicator |
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| NS1 |
NS2 |
NS3 |
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| Bulk Density g/cm3 |
≤1.4 |
1.4~1.9 |
＞1.9 |
|
| Thermal Conductivity W/(m·K) at 70℃ |
≤0.55 |
≤0.90 |
≤1.5 |
|
| Heat Resistance |
Appearance |
No change, no cracks, no expansion |
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| Compressive Strength Retention Rate |
≥90 |
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| Acid Resistance |
Appearance |
No change, no corrosion, cracks, or expansion |
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| Compressive Strength Retention Rate |
≥90 |
|||
| Water Resistance |
Appearance |
No erosion, cracks, or expansion |
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| Compressive Strength Retention Rate |
≥80 |
|||
| Natural Drying Shrinkage Rate % |
≤2.0 |
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Key words:
Acid-resistant castable material
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Zhongwang Temple, Yuecun Town, Xinmi City, Henan Province, China
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