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  • DOE/Oak Ridge National Laboratory. (2018, December 19). New composite advances lignin as a renewable 3D printing material. ScienceDaily Quote: "...But when researchers combined lignin with nylon, they found a surprising result: the composite's room temperature stiffness increased while its melt viscosity decreased. The lignin-nylon material had tensile strength similar to nylon alone and lower viscosity, in fact, than conventional ABS or high impact polystyrene...Scientists were also able to mix in a higher percentage of lignin -- 40 to 50 percent by weight -- a new achievement in the quest for a lignin-based printing material. ORNL scientists then added 4 to 16 percent carbon fiber into the mix. The new composite heats up more easily, flows faster for speedier printing, and results in a stronger product..."