Extrusion

Using a Melt Flow Indexer to Test Your Pressure Transducer

The MFI tester enables collection of meaningful pressure data in transducers in a relatively short time, providing realistic measures of the response time of a pressure transducer. This information is critical in the interpretation of pressure data measured in an extrusion process.  

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Your Business

Materials

Prices Drop for All Five Commodity Resins

While PE price reductions were not as apparent, they too were following the year-end price trajectory of PP, PS, PVC and PET.

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Film Extrusion

Leading Cast Film Processor Adding Blown Film Capacity

Malpack adds two multilayer blown film lines for agricultural, stretch hood and shrink films.  

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polystyrene

Prices of PP, PET Drop; PE, PS and PVC to Follow

Going into fourth quarter, prices of the five commodity resins were heading downward, barring supply interruptions.

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Processing Plant Tour

Making Gains in the Drain Game

AWD blends extrusion and thermoforming technologies with plenty of home-brewed equipment and processes to keep water away from where it isn’t supposed to be.  

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Automation

Injection Molder Amplifies Automation for Optimized Production

AIM Processing has parlayed small part molding expertise and aggressive automation, even for short run production, into a highly successful custom molding business.

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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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Technology in Depth

SPONSORED

Precision Processing Requires Precision Equipment

Moretto offers plastics processors and micromolders for a broad suite of auxiliary solutions targeted specifically for precision processing.

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Materials Suppliers Team on PFAS-Free Solutions

Baerlocher PFAS-fee process aid passes muster in resin manufacturer’s testing on production-sized blown film line.

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Research Deems Bioplastics, Wood Pulp a Sustainable, Economic Alternative for Rigid Packaging

Farrel Pomini and FPInnovations produce biodegradable compound for molding, extrusion and thermoforming applications.

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Essential Reading

best practices

Medical Tubing: Use Simulation to Troubleshoot, Optimize Processing & Dies

Extrusion simulations can be useful in anticipating issues and running “what-if” scenarios to size extruders and design dies for extrusion projects. It should be used at early stages of any project to avoid trial and error and remaking tooling.  

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Why Are There No 'Universal' Screws for All Polymers?

There’s a simple answer: Because all plastics are not the same. 

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Tooling

Three Key Decisions for an Optimal Ejection System

When determining the best ejection option for a tool, molders must consider the ejector’s surface area, location and style.

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Ensuring Repeatability: The Key to Effective Injection Molding Automation

One of automation’s key promises is repeatability: the same movement to the same location, time and time again. But to achieve that, all elements involved — robot, machine, EOAT, mold — must be in and stay in alignment.

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In Single Screw Extruders, Mixing Starts in the Melting Process

While the melting process does not provide perfect mixing, this study shows that mixing is indeed initiated during melting.  

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Starting or Restarting an Injection Molding Machine — What Works Best?

Successfully starting or restarting an injection molding machine is less about ticking boxes on a rote checklist and more about individually assessing each processing scenario and its unique variables.

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TD-Series Desiccant Dryers
New CM-17d
Elevate your PET sorting
CM-26dG

Latest News and Products

Electronics

OCSiAl Opens First Large-Scale Graphene Nanotube Plant

The new facility in Serbia will serve Europe, North America and Asia to drive advances in plastics and rubbers.

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Medical

Compact Solution for Two-Component Molding

Zahoransky’s new internal mold handling technology foregoes the time, space and money required for core-back, rotary table or index plate technologies for 2K molding.

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NPE

Advanced Drainage Systems Opens Engineering and Technology Center in Ohio

Center will be dedicated to product engineering, materials science and manufacturing technologies.

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Testing

Infrared Sensor Improves Water Vapor Permeation Measurement and Quality Control

Sensor provides enhanced measurement capabilities, and real-time data collection, delivering high level accuracy.  

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Blow Molding

Uniloy Launches E-Store for Genuine OEM Parts

On Nov. 4, Uniloy’s E-store for Genuine Uniloy Parts went live. It’s currently for reciprocating-screw blow molders but will be expanded to other types in future.

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Electronics

INEOS Styrolution to Close ABS Production in Addyston, Ohio

Company will commence a safe and responsible decommissioning process in the second quarter of 2025.

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Testing

Extrusion Plastometer is Modular, Easy to Clean

Improved accessibility and optimized surfaces enable the instrument to be cleaned quickly, expediting testing times.  

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PET

Indorama Collaborates in Launch of World’s First Bio-PET Bottles

Japan’s Suntory Group will introduce the new bottles for selected products in Japan

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