Mastering Injection Molding: 4 Hidden Causes of Plastic Flash | PRM What To Say EP22

Ever been cut by a cheap plastic spoon?  Ouch! That sharp, extra plastic sticking out is called "flash," and it's a major headache in the plastic injection molding industry.

In this episode of PRM What to Say, Evelyn and Daniel break down the mystery of injection molding flash.

Why does plastic leak out of the mold? It’s not always a broken machine! We dive into the 4 hidden culprits that cause flash, ruin your plastic products, and cost factories thousands of dollars.

Whether you are a B2B buyer, an engineer, or just someone who wants to save their lips from deadly spoons, this video is for you!

In this episode, we cover the 4 main causes of flash:

1. Pressure Imbalance: Pushing the plastic too hard or not clamping the mold tight enough.

2. Mold Wear: Old, worn-down steel molds that no longer align perfectly.

3. Awful Mold Design: Trapped air creating pressure and pushing the mold open.

 4. Material Issues: Plastic that's too runny due to moisture or too many additives. Master these 4 elements, and you can get perfect plastic products every time!

Stay Connected with PRM: Leave a comment below if you've ever struggled with mold flash! What’s your best tip for preventing it?

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