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Rheological step tests for 3D printable inks composed of the ethoxylate bisphenol A diacrylate resin: (a) with 20 wt% of rCFs (0B20AER); (b) with 6 wt% of the urea-modified agent and 15 wt% of rCFs (6B15AER); (c) with 6 wt% of the urea-modified agent and 20 wt% of rCFs (6B20AER) and (d) with 6 wt% of the urea-modified agent and 25 wt% of rCFs (6B25AER).
