Injection Molding Defects

Gas marks are a prevalent defect in injection molding, manifesting as streaks, burns, or focal points on the surface of molded parts. These defects arise from trapped gases—such as air, water vapor, or decomposition gases—that fail to escape the mold ...

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 ...