best practices

Faster Is Not Always Better—Optimize Your Molding Cycle

It is possible for machines to run too fast, so find the sweet spot where maximum output overlaps with good parts.

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polyolefins

The Importance of Oxidative Stability in Polyolefins, Part 3

Tools and methods for determining oxidative stability can be useful, but even more useful if constructed to yield the information you really need.

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Tool Maintenance: A Molder’s Must-Have

Equipping a toolroom for proper mold maintenance and repair takes more than just the right technology.

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Compounding

How to Troubleshoot Your Feeder to Achieve Optimal Performance

Even the tiniest improvements in compounding feeder accuracy can improve profits. Here’s how to keep your feeding system in the pink.

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Medical

Vaulting to Number One Among Heavy-Gauge Thermoformers

For Wilbert Plastic Services, it’s all about bringing together design and engineering to add value for customers.

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Solving Issues with Gloss

Your problem may be related to tooling, material, processing, or combinations thereof. Here’s how to find the root cause.

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screws

Do You Have Screw Wear?

It’s generally caused by metal-to-metal contact, and your first indicator will be poor melt quality.

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Drying

Water Droplets in the Feed Throat

And other reasons you must dry hygroscopic resins.

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The Importance of Oxidative Stability In Polyolefins, Part 2

The DSC test can do a reasonably good job of capturing the comparative behavior of materials that use similar antioxidant chemistries.

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Automotive

How This Processor Does Color Right

A film extruder shares some of its insights.

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Plastics Size Reduction
Blending & Dosing
Process Cooling