Copper (grade 4)
2 Copper (grade 3) → 1 Copper (grade 4) + 2 Low grade copper rejects
Compatible machines Automated screener MK 01 · Automated screener MK 02 · Automated screener MK 03 · Automated screener MK 04.
Research tier Logistic science pack. Copper processing - Stage 2
2.5 base seconds per batch. Fractional outputs are average yields.