Page 218 - Injection Molding Advanced Troubleshooting Guide
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23 Contamination

















          „ „23.1„ Description



          Contamination is a broad term that covers visual defects that appear in a molded
          part. Contamination may show up as specks of discoloration, streaks, splay, delam-
          ination, etc. See Figure 23.1 for an example of material contamination.
          Also known as: black specks, black/brown streaks, color swirls
          Mistaken identity: splay



























          Figure 23.1  Material contamination
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