Tech Tip Friday

Tips & tricks from an expert...

20th February 2026

Molded in Stress with Wide Spec PP

This episode wraps up the case study on part warpage and the challenges behind it.

While switching to crate-grade HDPE initially produced a great part, the solution wasn’t accepted by the end user, which prompted a deeper investigation.

What we uncovered was a wide-spec polypro with significant melt flow variation, directly impacting consistency and performance.

Tune in as Kurt walks through the:

  • Root cause
  • Technical considerations
  • Final resolution

and what you can apply to your own molding operations.

Episode produced by Kurt Stahle.

Click here to connect with Kurt.

Listen to other episodes:

What is Wide Spec Material | Tech Tip Friday
Molded in Stress with Wide Spec PP | Tech Tip Friday
Soak time when purging | Tech Tip Friday

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