Kwaliteit | Chemische samenstelling % | ||||||
Min. CU | Onzuiverheden: Max | ||||||
Koolstof | Coblet | Strijkijzer | Fosfor | Zwavel | Zink | ||
99.99% | 99.99 | 0.003 | 0.0005 | 0.001 | 0.0025 | 0.002 | 0.001 |
99.95% | 99.95 | 0.03 | 0.0005 | 0.003 | 0.0075 | 0.007 | 0.002 |
99.90% | 99.90 | 0.03 | 0.0009 | 0.005 | 0.009 | 0.009 | 0.003 |