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Why Does Material Decompose If It Stays in the Barrel Too Long?In injection molding production, there is a type of defect that is very difficult to troubleshoot: the product intermittently shows bl...

Why Does an Excessive Regrind Ratio Cause Strength Reduction?In injection molding production, the use of regrind is an unavoidable topic. Sprue material, rejects, and edge trim, once ground up and ...

Why Does PP Usually Not Require Drying, While PA Must Be Dried?On the injection molding floor, the arrangement of the drying step often confuses people: PP (polypropylene) pellets are poured out of...

Why Does Inadequate PC Drying Cause Silver Streaks?The silver streak problem in PC (polycarbonate) is arguably one of the most classic—and most easily misdiagnosed—defects on the injection molding ...

Why Must Certain Materials Be Dried Before Injection Molding?On the injection molding floor, there is one step that seems like "unnecessary extra work": plastic pellets that look dry and feel dry t...

Why Must Injection Speed Be Controlled in Stages During the Injection Molding Process?In the injection molding process, injection speed is one of the few parameters that can directly determine prod...