| Calcium Silicon Specification 1 | ||||||
| Grade | Chemical composition(%) | |||||
| Ca | Si | C | Al | P | S | |
| ≥ | ≤ | |||||
| Ca30Si60 | 30 | 60 | 1.0 | 2.4 | 0.04 | 0.05 | 
| Ca30Si55 | 30 | 55 | 1.0 | 2.4 | 0.04 | 0.05 | 
| Ca28Si55 | 28 | 55 | 1.0 | 2.4 | 0.04 | 0.05 | 
| Size: 10-50mm, 10-100mm | ||||||
| Other chemical composition and size can be supplied upon request | ||||||
| Calcium Silicon Specification 2 | |||
| Grade | Chemical composition(%) | ||
| Ca | Si | Fe | |
| Ca10Si40 | 10-15 | 40-45 | 40-45 | 
| Ca20Si50 | 20-30 | 50-60 | |
| Ca28Si18 | 28-30 | 18-20 | |
| Size: 10-50mm, 10-100mm | |||
