The investigation of the maximum flow length of a polymer at specific processing parameters (temperatures, speeds and pressures) can be done with a flow spiral mold.
The flow path needs to be long enough, so that no material can fill the cavity completely.
For easier measurement, marks will be used inside the cavity to recognize the length faster.
Comparing two materials with the flow spiral allows to find the better one for production (for the chosen parameters).

Flow Spiral in Plastic Industry


Plastic: Ejection side of flow spiral mold.


Related topics:

This glossary of plastic industry is provided by PLEXPERT Canada Inc.
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