IFJ-062021-REACHCarbonFiber_Figure 3 Matt Migliore November 22, 2021 2 Views Figure 3. Technical/economic values of the PAN fiber production process with different solvents based on VDI 2225 (V_Standard = dimethyl formamide process; V_NaSCN = sodium thiocyanate process; V_DMSO = dimethyl sulfoxide process).