Your Business

Last Chance! Top Shops Survey Closes at Midnight!

The ninth annual Top Shops benchmarking survey for injection molders is now open, providing molders a free opportunity to see how they stack up with fellow molders via a customized report.

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resin pricing

May 2025: Prices for 4 of the 5 Commodity Resins Flat-to-Down

PET is the exception from this general trajectory, at least for now.

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Automated Die, Feedblock System Improves Efficiencies at Cast Film Processor

Reifenhäuser's PAM automation systems helps Bogucki Folie reduce waste at startup while slashing time between changeovers.  

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Processing Plant Tour

Metal and Polymer Molding, Additive Manufacturing and MoldMaking All Under One Roof

From metal molding to polymer molding, additive manufacturing to moldmaking, material selection to formulation, prototyping to production, PTI Tech has emerged as a one-stop molding shop.

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sustainability

Direct Connections for a Better Recycling System

Colorado’s Direct Polymers formed Brave Industries to link recycling collaborators.

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This Tubing Processor Is Used to the 'Hard Stuff'

Kent Elastomer Products has emerged from its beginnings as a supplier of latex dip tubing to a leading manufacturer of high-end tight tolerance tubes for a range of applications.  

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Technology in Depth

SPONSORED

A Purge Solution for the Blow Molding and Compounding Industries

New commercial purge compounds for new industries from Chem-Trend.

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Injection Molding Stock-Shape Parts in High-Temperature Materials

Patented technology is described as a hybrid that uses a specialized tool, a standard injection molding machine and off-the-shelf components to replace compression molding and extrusion for large stock shapes.

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Calcium Carbonate From Carbon Capture for Brighter Plastics and Greener Steel

CarbonFree is converting steel slag and blast furnace exhaust into an important plastic compounding additive.

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Process Cooling
 KNOWLEDGE CENTERS

Solutions

ICYMI: March Roundup

Still catching up post-PTXPO? Whether you attended the show or not, there were bound to be some must-read articles that may have slipped past you. Catch up on what you missed.

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best practices

AIM Institute Continues to Grow Plastics Education and Training on 10th Anniversary

The AIM institute was created in response to the rising need for skilled injection molding professionals, providing individuals with a fundamental understanding of plastic rheology and plastic flow through a mold.

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best practices

ICYMI: February Roundup

While February was short on days, there was no shortage in insightful content from our editors and contributors! Take a look at what you might have missed. 

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Blending & Dosing

Essential Reading

Bulk, Solid and Melt Density: How to Calculate These Values and Why They Matter — Part 2 of 2

Understanding and calculating solid density and melt density will help molders with everything from material and machine selection to determining piece part costs.

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Compounding

Optimizing Melt-Fed Single-Screw Extruders on Compounding Lines

The main problem with melt-fed extruders that are starve-fed is setting the depth of the metering channel. In this scenario, we describe how this problem was solved.  

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Polymer Showdown — PC/ABS vs. PC/PBT — May the Best Material Win

First in a series, experts from plastics engineering consultancy The Madison Group will pit leading thermoplastics against each other to see how they differ in processing characteristics, chemical resistance, thermal and mechanical performance, and more.

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best practices

ICYMI: January Roundup

In case you missed it, here’s a short recap of the articles that our readers are taking note of. 

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sustainability

High Quality PCR With Mechanical Recycling Is Within Reach

Successful mechanical recycling of postconsumer materials requires market analysis, understanding requirements and building relationships across the value chain.

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Polymer Science for Those Who Work With Plastics: Molecular Weight — What It Is and Why It Matters

Molecular weight might seem like an abstract concept, but it plays a crucial role in determining the behavior of plastics during processing and in their final applications.

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Latest Issue

Latest Issue

Latest News and Products

Hot Runners

End Ring Valve Gate Optimizes Multicavity Application Injection Molding

The EYEgate HRS features a specially designed pin guide system engineered to ensure permanent pin-gate alignment to significantly enhance the end ring’s durability.

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Core Pins and Plugs Expedite Mold Venting

Molder’s World’s Vortex core pins or plugs provide a location-specific method for venting gas.

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Mold Maintenance

Expanded Air Poppet Valve Series Supports Molded Part Ejection

CUMSA expands Air Poppet Valve series with a smaller size dimension and a first-time size offering in inches.

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monitoring

Portable, Handheld CMM Enables Simplified Dimensional Measurement, 3D Scanning of Large Parts

Eastec 2025: Keyence’s WM-6000 provides full CMM and CAD capabilities, enabling 3D/GD&T measurements, contour profile checks, CAD comparison and reverse-engineering.

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Mold Simulation

Software Suite Creates Integrated Workflows for Optimizing Moldmaking

Eastec 2025: The HxGN Mould and Die Suite includes VISI, WORNC, NCSIMUL and datanomix tools to provide an integrated workflow from design/engineering to manufacturing and automation.

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Alarm System Monitors Moldmaking Equipment for Leaking Molten Plastic

Plastixs’ Airtect LA502 Dual Plastic Leak Alarm System monitors moldmaking equipment for plastic leaks to help prevent significant damage caused by leaks in either molding machines and hot runner molds.

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Mold Sensor Prevents Accidental Closure in Injection Molds

When tied to the machine control, Burger & Brown Engineering’s Global Thinswitch can help prevent mold crashes due to premature mold close, saving the user downtime and expensive mold repairs.

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Tooling

Cooling System Saves Energy Directly In The Mold

Hasco’s Cooling Tornado offers simplified installation and quick retrofits, and also enables customized shortening, further supporting uncomplicated installation on existing systems.

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