Zinc (grade 4)
1 Zinc (grade 3) → 1 Zinc (grade 4) + 0.5 Coal dust
Compatible machines Ball mill MK 01 · Ball mill MK 02 · Ball mill MK 03 · Ball mill MK 04.
Research tier Chemical science pack. Zinc processing - Stage 3
4 base seconds per batch. Fractional outputs are average yields.