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How to Prevent Injection Molding Flash?

Learn what causes flash in injection molding and how to prevent this thin protrusion from forming at mold parting lines and around mating surfaces.

Published 2024-04-09

How to Prevent Injection Molding Flash?

About this resource

Flash is a common defect in injection molding, describing the thin layer protruding from the mold parting line or areas around the mold where two halves meet. This guide explains the root causes of flash and shares practical design and process tips to help prevent it.

How to Prevent Injection Molding Flash?Guide · Free