Lightweight acid-resistant castable
Category:
Refractory castable
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Details Introduction
Lightweight acid-resistant castable materials 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 rates and relatively high strength at room temperature. They can also be made into prefabricated parts for installation on-site in kiln rotation work, such as lining castings in chimneys.
Product Description
Lightweight acid-resistant castable materials 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 rates and relatively high strength at room temperature. They can also be made into prefabricated parts for installation on-site in kiln rotation work, such as lining castings in chimneys.
Physical and Chemical Indicators
| Item |
Indicator |
|||
| NS1 |
NS2 |
NS3 |
||
| 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 changes, no cracks, no expansion |
||
| Compressive Strength Retention Rate |
≥90 |
|||
| Acid Resistance |
Appearance |
No changes, no corrosion, cracks, or expansion |
||
| Compressive Strength Retention Rate |
≥90 |
|||
| Water Resistance |
Appearance |
No erosion, cracks, or expansion |
||
| Compressive Strength Retention Rate |
≥80 |
|||
| Natural Drying Shrinkage Rate % |
≤2.0 |
|||
Key words:
Lightweight acid-resistant castable
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Zhongwang Temple, Yuecun Town, Xinmi City, Henan Province, China
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