Articles

Compounding

What to Know About Your Materials When Choosing a Feeder

Feeder performance is crucial to operating extrusion and compounding lines. And consistent, reliable feeding depends in large part on selecting a feeder compatible with the materials and additives you intend to process. Follow these tips to analyze your feeder requirements.

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resin pricing

Prices of PE, PP, PVC Up; PS, PET Flat

While prices moved up for three of the five commodity resins, there was potential for a flat trajectory for the rest of the third quarter.

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Molds & Tooling

Get Better at Using Foam for Your Molded Parts

Machine performance and process speeds are critical when using foam to reduce part weight while retaining part integrity.

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Sirmax Adapts Integrated Recycling Approach to US Supply Conditions

Integrating compounding and recycling to leverage untapped postindustrial recycling feedstocks.

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Troubleshooting Flow Surging in Single-Screw Extruders

Surging can cause lower production rates, higher scrap rates, material degradation and higher labor costs. Here is a guide to troubleshooting this problem.

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sustainability

Building a Future With Sustainable Compounds

With roots in recycling, Star Plastics produces engineering thermoplastic compounds to meet performance and environmental goals.

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economics

Plastics Processing Activity Contracted in July

Plastics processing GBI contracted for the third month in a row.

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processor's edge

Optical Sorting for Color Flexibility in Recycled Plastics

Aaron Industries added optical sorting to its operation, expanding capabilities to meet the color needs of customers.

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Running Hot: Solutions for High-Temperature Injection Molding Cells

Here are some best practices for setting up and maintaining high-temperature injection molding processes, including sourcing and maintaining suitable water- and oil-circulating systems.

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Home In on These Six Variables to Monitor Molding

There are hundreds of variables in molding, but focusing on these six will help you make consistent parts.  

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sustainability

Extrusion Technology Extended to Injection, Enabling Up to 100% Regrind Usage

Twin-barrel (shot-pot) press can handle more regrind, offers other benefits to molders.

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Injection Molding: Focus on these Seven Areas to Set a Preventive Maintenance Schedule

Performing fundamental maintenance inspections frequently assures press longevity and process stability. Here’s a checklist to help you stay on top of seven key systems.

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