Light Weight Ceramsite Expended Clay Aggreate Ceramsite
| Item | Specificataion |
| Particle size(mm) | 0.5-3.0 |
| Bulk density(g/ml) | 1.1-1.5 |
| Free volume(%) | 40-45 |
| Abrasion resistance(%) | ≤0.5 |
| Crushing strength(N) | 30-150 |
| Water permeability(m3/m2) | 2-4 |
| Gas permeability(m3/m2) | 1500-200 |
| Thermal resistance(%) | ≥1000 |
| Acid resistance(%) | 99.5 |
| Alkali resistance(%) | 82.5 |
Characteristics
- Lightweight: Due to its porous structure, ceramsite is significantly lighter than traditional aggregates like gravel or sand.
- Porous Nature: The numerous small pores enhance its ability to retain water and nutrients.
- Durability: Resistant to chemical degradation and environmental factors, making it suitable for long-term use.
Types of Ceramsite
- Expanded Clay Ceramsite: Made by heating clay to high temperatures, causing it to expand and form lightweight pellets.
- Expanded Shale Ceramsite: Produced from shale, which is also heated to create a similar lightweight aggregate.
- Expanded Slate Ceramsite: Derived from slate, offering similar properties as expanded clay and shale.
Applications
- Construction:
- Used as lightweight aggregate in concrete to reduce overall weight and improve insulation properties.
- Ideal for green roofs and lightweight fill in landscaping projects.
- Environmental Engineering:
- Commonly used in wastewater treatment as a filter media, providing a surface for biofilm growth.
- Effective in bioreactors and as part of constructed wetland systems for pollutant removal.
- Horticulture:
- Employed in potting mixes and as a soil amendment to improve aeration and drainage.
Benefits
- Improved Insulation: Reduces thermal conductivity in construction applications, enhancing energy efficiency.
- Water Retention: Its porous structure allows for better water retention, beneficial in both horticultural and environmental applications.
- Sustainability: Often made from natural materials, ceramsite can be an eco-friendly alternative to traditional aggregates.
