Fundamentals of Polyethylene – Part 3: Field Failures
Polyethylene parts can fail when an inappropriate density is selected. Let’s look at some examples and examine what happened and why.
Read MoreYour Business
Austrian Recycler's Mission to Recycle PET Takes It Beyond Bottles
Mission PET supplements bottle-to-bottle capability with alternative applications for recycled PET.
Read MoreMarket Changes Spur Industrial Recycler to Enhance Capabilities in Clear Plastic Reprocessing
Butler MacDonald found new business and flexibility thanks to a big step-up in purging efficiency.
Read MorePlastics Processing 'Jumps' into New Year
While still in contraction mode, the index came in at highest level since March 2023.
Read MoreProcessing Plant Tour
Back in the Family Business
In its 45th year, Precision Molded Plastics has carved out a technology and market niche, growing not just when opportunities arise but when they make sense, after its leader changed careers to keep the family business from changing hands.
Read MoreBreaking the Barrier: An Emerging Force in 9-Layer Film Packaging
Hamilton Plastics taps into its 30-plus years of know-how in high-barrier films by bringing novel, custom-engineered, nine-layer structures resulting from the investment in two new lines.
Read MoreUS Merchants Makes its Mark in Injection Molding
In less than a decade in injection molding, US Merchants has acquired hundreds of machines spread across facilities in California, Texas, Virginia and Arizona, with even more growth coming.
Read MoreTechnology in Depth
At NPE, Cypet to Show Latest Achievements in Large PET Containers
Maker of one-stage ISBM machines will show off new sizes and styles of handled and stackable PET containers, including novel interlocking products.
Read MoreImpacts of Auto’s Switch to Sustainability
Of all the trends you'll see at NPE2024, this one is BIG. Not only is the auto industry transitioning to electrification but there are concerted efforts to modify the materials used, especially polymers, for interior applications.
Read MoreAutomotive Awards Highlight ‘Firsts,’ Emerging Technologies
Annual SPE event recognizes sustainability as a major theme.
Read MoreKNOWLEDGE CENTERS
Gain in-depth knowledge in processes, products and technology from industry experts
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Solutions
The Fundamentals of Polyethylene – Part 2: Density and Molecular Weight
PE properties can be adjusted either by changing the molecular weight or by altering the density. While this increases the possible combinations of properties, it also requires that the specification for the material be precise.
Read MoreFive Ways to Increase Productivity for Injection Molders
Faster setups, automation tools and proper training and support can go a long way.
Read MoreThe Fundamentals of Polyethylene – Part 1: The Basics
You would think we’d know all there is to know about a material that was commercialized 80 years ago. Not so for polyethylene. Let’s start by brushing up on the basics.
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Essential Reading
How to Start a Hot-Runner Mold That Has No Tip Insulators
Here's a method to assist with efficient dark-to-light color changes on hot-runner systems that are hot-tipped.
Read MoreInjection Molding Know How: Best of Bozzelli
We at Plastics Technology have been grateful that John has regularly contributed Injection Molding Know How columns to our publication since 2010. In this collection, we present you with five articles that we think you will refer to time and again as you look to solve problems, cut cycle times and improve the quality of the parts you mold.
Read MoreImprove Production Rates Via Screw Design — Barrier vs. General Purpose vs. Melt Uniformity
I’m looking for a few good molders to help trial a new screw design, and share data and results for a future article to prove the benefits of a melt uniformity screw.
Read MoreWhat You Need to Know About Mold Venting
In this three-part collection, Jim Fattori brings to bear his 40+ years of on-the-job experience and provides molders his “from the trenches” perspective on the why, where, and how of venting injection molds.
Read MoreHow to Design Three-Plate Molds – Part 3
There are many things to consider, and paying attention to the details can help avoid machine downtime and higher maintenance costs — and keep the customer happy.
Read MoreIs a Gear Pump Right for Your Single-Screw Operation
As with everything else, there are pros and cons, but more of the former. They provide processors higher rates while decreasing the temperature of the extrudate while enabling downgauging.
Read MoreLatest News and Products
Shredder Handles Bulky Materials and Facilitates Maintenance
NPE2024: W5.22 is designed for easy maintenance and adaptability.
Read MoreLoaders, Blenders Made Specifically for Medical Processors
NPE2024: FDA-compliant auxiliaries suited for injection, extrusion, blow molding.
Read MoreBallistic-Resistant Composite Panels Made With E-Glass and Thermoplastic Resin Systems
Avient’s Polystrand ThermoBallistic thermoplastic panels are a cost-competitive alternative to other fibers and thermosets
Read MoreJoint Trial by Syensqo and Tomra Separates Multilayer PVDC Film From Polyolefins
Results apply to shrink film for consumer and food packaging.
Read MoreLSR Cold Deck Features Valve Gates
NPE2024: Recent updates to Mastip’s Aquilo platform highlight how its design — from consistent thermal profile to uniform cooling — has made it successful for medical industry projects.
Read MoreGravimetric Pump for Peristatic Applications
NPE 2024: Riverdale Global’s Maguire MS4 pump uses same load cell technology as the updated RGS Controller
Read MoreCompact, Mobile Dryer Has Unique Conveying Capabilities
Mobile dryer includes closed-loop conveying to minimize the use of ambient air for resin movement.
Read MorePipe Extruder, Die Heads Plus a Cobot Demo
Milacron to debut updated extruder, control and die head packages. Also demonstrating how cobots can be used to automate pipe production.
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