Calcium Formate Winter Construction Accelerator
CAS Number: 544-17-2
Calcium formate is a chloride-free, eco-friendly accelerating admixture that promotes early strength development in concrete and mortar, particularly valuable in cold-weather and winter construction. It accelerates both the initial and final setting of Portland cement without introducing corrosive chlorides, making it suitable for reinforced concrete and prestressed structures. Typical dosage is 1–3% by cement weight.
Technical Specifications
| pH | 6.5-7.5 |
| appearance | White crystalline powder |
| purity (%) | 98±1 |
| heavy metals (ppm) | ≤10 |
| moisture content (%) | ≤0.5 |
Applications
- Cold-weather and winter concrete construction
- Tile adhesives and floor screeds requiring fast set
- Reinforced concrete where chloride-free accelerator is mandatory
- Repair mortars and patching compounds
- Shotcrete accelerator in tunnel lining
Key Features
- Chloride-free formula protects reinforcement from corrosion
- Accelerates early strength without compromising long-term strength
- Biodegradable and environmentally friendly
- Compatible with all Portland cement types and most admixtures
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