best practices

Additives

Avoid These Three Mistakes to Get the Most from Color

Here are the key misconceptions and common practices that keep processors from reaching the heights of coloring proficiency. Find out if you’re stumbling into these pitfalls, and learn how and why you should swerve around them

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best practices

Five Effective Ways to Control Color

A 50-year veteran in color-concentrate production and use shares practices to help you make better color decisions and generate less scrap. To specify color correctly and communicate your specs to your color supplier requires understanding of the “Five U’s.”

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What You Should Know About Molding Wood-Plastic Composites

Originally targeted mainly for extrusion, new options for wood-plastic composites have been optimized to open doors for injection molding applications.

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plant tour

Profile Extruder Sees the Light

Rotuba exited the sheet ´óÏó´«Ã½ to focus on custom profiles for LED light fixtures. It now ranks as North America’s leading profile extruder in this burgeoning market.

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Sheet Extrusion

EXTRUSION: Is Head Pressure Sapping Your Extruder’s Strength?

A redesign of all of the flow paths between the end of the barrel and die may be in order.

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INJECTION MOLDING: How to Mold Living Hinges With No Flexing Required

Here are the five critical, intertwined components that must be perfected for a living hinge that doesn’t need to be flexed upon ejection.

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polyolefins

MATERIALS: The Importance of Oxidative Stability in Polyolefins

Because oxidation is a process that causes materials to deteriorate over time, its effects or potential for those effects are not always apparent when new products are tested.

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Film Extrusion

Chasing the Perfect Pellet

Petoskey Plastics began recycling in 1978 and continues to expand its green footprint by offering pellets specifically for thin-gauge blown film.

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processing tips

EXTRUSION: Orientation: The Good and the Bad

Depending on what you are trying to accomplish, molecular orientation can have a positive or negative impact on your part. Here’s how to control it.

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best practices

TOOLING: Let’s Get Serious About Mold Cooling: Part 2

Some creative thinking with conventional technology, like small cooling lines and bubblers, can generate big improvements in cooling and cycle times.

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