Integral Waterproofing Agent (Hydrophobic Admixture)
CAS Number: 112-02-7
Integral hydrophobic waterproofing agent is a fatty acid salt-based or stearate-based admixture that lines the capillary pores of concrete with hydrophobic compounds, reducing water absorption and enhancing durability. Unlike crystalline systems, it operates through hydrophobicity rather than pore-blocking, providing excellent resistance to driving rain and capillary suction. It is suitable for above-ground concrete elements, retaining walls, and masonry.
Technical Specifications
| pH | 9.0-11.0 |
| appearance | White powder or liquid |
| solid content (%) | 96±2 |
| chloride content (%) | ≤0.05 |
| water absorption reduction (%) | ≥75 |
Applications
- Above-ground retaining walls and external concrete
- Roof slabs and water-exposed horizontal surfaces
- Masonry mortars and block production
- Precast wall panels and cladding elements
- Marine structures above the splash zone
Key Features
- Reduces water absorption by up to 75% through capillary hydrophobization
- Improves resistance to freeze-thaw and salt weathering
- Compatible with air-entraining and plasticizing admixtures
- Simple dosing as powder or liquid at 0.5–2% by cement weight
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