Page 175 - Injection Molding Advanced Troubleshooting Guide
P. 175

18 Bubbles

















          „ „18.1„ Description



          Bubbles are defects that appear when gas is trapped in the melt and injected into
          the cavity leaving a cosmetic defect in the part. See Figure 18.1 for an example of
          bubbles.
          Also known as: gas traps, blisters
          Mistaken identities: voids, unmelts



































          Figure 18.1  Bubbles
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