Know How - Injection Molding

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Record grooves

Find the Source of Visual Defects

The appearance of visual defects on parts such as cracking, crazing, grooves, ripples, wave marks, and flaky brittleness often indicates more than an aesthetic problem.

What to Do About Weak Weld Lines

Weld or knit lines are perhaps the most common and difficult injection molding defect to eliminate.
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How to Stop Flash

Flashing of a part can occur for several reasons—from variations in the process or material to tooling trouble.