2) Enwere ike ịbanye nkwekọrịta nzuzo
3) nkwa nkwụghachi ụbọchị asaa
Ihe dị mkpa: anyị nwere ike ịnye ọ bụghị naanị ngwaahịa, mana ọrụ ngwọta teknụzụ!

| COA nkeZirconium nitride | ||
| Ịdị ọcha | 99% | |
| N | 5.5% | |
| Si | 0.02% | |
| O | 0.3% | |
| Fe | 0.15% | |
| Zr | Bal. | |
| Fe | ≤10ppm | |
| Cr | ≤3pm | |
| Co | ≤5ppm | |
| Na | ≤5ppm | |
| Ụdị | Epoch-Chem | |






