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Fly ash bricks are a type of building material made from fly ash, a byproduct of coal combustion in power plants. These bricks are manufactured by mixing fly ash with water, lime, and other additives, which are then subjected to high pressure and temperature to form a durable product. They are known for their lightweight nature and high compressive strength, making them a popular choice in construction projects.
| Material | Fly ash, lime, and water |
| Size | Standard sizes typically range from 230x110x75 mm to 400x200x200 mm |
| Compressive strength | Typically ranges from 3.5 to 10 MPa |
| Water absorption | Usually between 5% to 15% |
| Density | Commonly ranges from 600 to 800 kg/m³ |
When selecting fly ash bricks, buyers should consider the compressive strength required for their specific application, as well as the water absorption rate. It's also important to specify the size and density to ensure compatibility with other construction materials. Certifications related to environmental standards and quality control can provide additional assurance of the product's reliability. Buyers should request quotes based on their estimated quantities and delivery needs.
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They are lightweight, have good thermal insulation, and are environmentally friendly.
Yes, they can be used for load-bearing walls due to their high compressive strength.
Fly ash bricks are generally lighter, more durable, and have lower water absorption compared to clay bricks.
Yes, they have good resistance to moisture but should be properly cured.
With proper installation and maintenance, they can last for decades.
Yes, they should comply with local building codes and standards for quality.