Our calcium carbide 2-7mm CaC2 is an ultra-fine industrial chemical compound designed specifically for manufacturing processes that demand immediate gas evolution and high chemical reactivity. Solidified through the high-temperature electrothermal reaction of quicklime and coke, this 2–7mm fine-mesh granulation maximizes the active contact area while maintaining steady flowability in automated feed systems.
In modern industrial chemistry and advanced metallurgical processing, fine particle sizing is critical for achieving rapid dissolution and instantaneous chemical reaction rates. Industrial calcium carbide (CaC2) serves as an essential raw material worldwide. Within specialized micro-granulation tiers, calcium carbide 2 7mm represents an ultra-fine particle distribution developed specifically for continuous automated feed systems, high-speed gas generation, and precise metallurgical dosing.
By delivering a high surface-area-to-mass ratio, this fine-mesh chemical compound provides industrial plant managers and chemical engineers with exceptional control over process velocity and gas evolution kinetics.
Calcium carbide is manufactured through the high-temperature electrothermal reaction of high-purity quicklime (calcium oxide) and carbonaceous materials inside electric arc furnaces. Once cooled, the crystalline mass undergoes specialized multi-stage crushing and fine mechanical screening to isolate exact particle sizes.
Specifying calcium carbide 2 7mm offers unique operational benefits for technical applications:
The primary commercial application of high-grade calcium carbide 2 7mm is rapid acetylene generation. Industrial gas plants and specialized cutting setups rely on this fine granulation for processes where immediate, high-volume gas output is required under controlled automated parameters.
In secondary steelmaking, controlling sulfur content is vital for producing high-tensile, crack-resistant steel grades. Fine 2-7mm carbide granules serve as an aggressive desulfurizing agent, reacting quickly with dissolved sulfur in liquid steel to produce calcium sulfide slag.
Beyond gas fuel applications, acetylene derived from fine calcium carbide acts as a foundational building block in manufacturing organic polymers, synthetic rubber, PVC resins, and agricultural chemicals like calcium cyanamide.
Our manufacturing facilities operate under ISO-compliant quality frameworks to ensure every export lot meets rigorous technical standards:
| Specification Parameter | Standard Benchmark |
|---|---|
| Granulation Size Range | 2 - 7 mm (≥ 90% in-spec size fraction) |
| Acetylene Gas Yield Output | ≥ 280 - 295 L/kg (at 20°C, 101.3 kPa) |
| Chemical Formula | CaC2 |
| Phosphine (PH3) Impurity Limit | ≤ 0.05% (v/v) |
| Hydrogen Sulfide (H2S) Limit | ≤ 0.15% (v/v) |
| Physical Appearance | Dark gray to brownish fine crystalline granules |
Due to its high reactivity with moisture, the transport of fine calcium carbide mandates strict adherence to UN 1402 Class 4.3 dangerous goods standards (substances which in contact with water emit flammable gases):
We provide global chemical distributors, steel mills, and industrial gas facilities with competitive FOB/CIF terms, scalable supply capacity, and flexible container loading options. Contact our technical export division today to request customized bulk quotes and product samples.
