Calcium Oxide
Calcium Oxide, commonly known as quicklime, is a versatile chemical compound with a wide range of industrial applications. With its high reactivity and alkaline properties, Calcium Oxide is essential in industries such as construction, agriculture, water treatment, and chemical manufacturing.
Product Specifications
- Chemical Formula: CaO
- Molecular Weight: 56.08 g/mol
- Appearance: White to grayish-white solid
- Purity: 90-99%
- Melting Point: 2,572°C (4,662°F)
- Boiling Point: 2,850°C (5,162°F)
- Density: 3.34 g/cm³
- Solubility: Reacts with water (exothermic reaction)
Technical Data Sheet
| Parameter | Specification |
|---|---|
| CaO Content | Min. 95% |
| SiO2 Content | Max. 1.5% |
| MgO Content | Max. 2.0% |
| Al2O3 + Fe2O3 | Max. 1.0% |
| LOI (Loss on Ignition) | Max. 3.0% |
| Reactivity (T60) | Max. 3 minutes |
| Particle Size | 90% passing 200 mesh |
Applications of Calcium Oxide
Calcium Oxide serves numerous purposes across various industries:
- Construction: Used in mortar, plaster, and as a flux in steel production
- Agriculture: Soil amendment to reduce acidity and provide calcium
- Water Treatment: pH adjustment and purification
- Chemical Manufacturing: Production of calcium compounds
- Environmental: Flue gas treatment and waste neutralization
Calcium Oxide FAQ
What are the safety precautions when handling Calcium Oxide?
Calcium Oxide is a corrosive substance that can cause severe burns. Always wear protective equipment including gloves, goggles, and dust masks. Work in well-ventilated areas and avoid contact with moisture as the reaction with water generates significant heat. Store in airtight containers away from incompatible materials.
How is Calcium Oxide produced?
Calcium Oxide is produced through thermal decomposition of calcium carbonate (limestone) in a process called calcination. The limestone is heated to approximately 900°C in a kiln, driving off carbon dioxide to leave Calcium Oxide. The chemical reaction is: CaCO3 → CaO + CO2. The quality depends on the raw material purity and calcination conditions.
What's the difference between Calcium Oxide and Calcium Hydroxide?
Calcium Oxide (CaO) reacts with water to form Calcium Hydroxide (Ca(OH)2), known as slaked lime. The key difference is that Calcium Oxide is anhydrous and highly reactive with water (exothermic), while Calcium Hydroxide is the hydrated form that's less reactive and typically used in different applications like water treatment and construction.
Packaging and Storage
We offer Calcium Oxide in various packaging options to meet your needs:
- 25 kg multi-wall paper bags
- 1,000 kg bulk bags (FIBC)
- Bulk delivery in tankers for large quantities
For optimal quality retention, store Calcium Oxide in a dry, cool environment with minimal exposure to moisture. Proper storage ensures the material maintains its reactivity and purity for extended periods.
Why Choose Our Calcium Oxide?
Our Calcium Oxide stands out in the market due to:
- Consistent high purity (>95% CaO)
- Controlled particle size distribution
- Excellent reactivity properties
- Strict quality control measures
- Flexible packaging solutions
- Reliable supply chain
Calcium Oxide from our production meets international quality standards and is suitable for the most demanding industrial applications. Whether you need it for construction, chemical processing, or environmental treatment, our product delivers consistent performance.