Carbonyl sulfide
30 Propene + 10 Sulfur + 5 Coal → 60 Carbonyl sulfide
Compatible machines High pressure furnace MK 01 · High pressure furnace MK 02 · High pressure furnace MK 03 · High pressure furnace MK 04.
Research tier pY science pack 2. Rayon
10 base seconds per batch. Fractional outputs are average yields.