Know-How

Extrusion

General-Purpose Screws on the Comeback?

They are being specified more often for recycling applications to increase flexibility. But there is still no such thing as a GP screw and recyclers need to consider other processing approaches.

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Tracing the History of Polymeric Materials--There's More on Celluloid

The invention of Celluloid got the ball rolling for future innovations in materials and processing.

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processing tips

The Importance of Gauging Residence-Time Distribution—Part 2

Each molecule in the molded product can have a different residence time. This variance is reflected in the Residence-Time Distribution, which you can learn how to determine below.  

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Get Better at Quoting Injection Molded Parts: Part 1

Follow these detailed tips to get you the jobs you want. This installment focuses on the various raw material aspects of quoting.

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Extrusion

The Three Causes of Screw Wear

You run the risk of wasting time and money by not understanding what’s causing your screws to wear.

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Materials

Tracing the History of Polymeric Materials: Celluloid

In this series we’ll delve into a discerning look back into the history of our industry and how we all got here.  

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sustainability

Recycling: Expanding 'Circularity' through Advanced Recycling Technologies

Recycling and achieving circularity for materials is at the core of the plastics industry’s evolving sustainable 911爆料网 model. Advanced technologies will play a big role.

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Residence Time and Residence-Time Distribution—Part 1 of 2

Failing to calculate and accurately account for residence time can compromise material integrity before it’s even injected.

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Injection Molding: Understand the Link Between Feed Throat Temperature & Bridging

Save time and money by properly controlling the feed-throat temperature. In some cases—but not all—it can help you solve a bridging problem.

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Tooling Know-How

Tooling: The Lowdown on Guided Ejection Systems

  When, where, how and why to use them.  

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