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. 2021 Aug 27;13(17):2877. doi: 10.3390/polym13172877

Figure 1.

Figure 1

Microstructures molding by MIM. (a–d): Micro pins of PP [24]. (a and b): Tb = 225 °C, Vi = 100 mm/s, (c,d): Tb = 225 °C, Vi = 200 mm/s. Tb is the barrel temperature, Vi is the injection speed; Replicated micro features located at (e) 1.5 mm and (f) 35 mm from the gate [25].