Injection Molding Defects

In the fast-paced world of manufacturing, perfection is the goal, but imperfections like knit lines can throw a wrench in your plans. Known as weld lines or flow lines, knit lines1 are those pesky visible seams that appear on injection-molded ...

Short shots in injection molding1 occur when the molten plastic fails to completely fill the mold cavity, resulting in incomplete or partially formed parts. This defect is a common challenge in industries like automotive, medical, and consumer goods, especially for ...