Let's Take a Journey into the World of Molding Thermosets – Part 1
There are many fundamental differences between thermosets and thermoplastics, from the way raw materials are furnished to the molder and the process in which parts are molded.
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Your Business
Prices for PE, PS, PVC, PET Trending Flat; PP to Drop
Despite price increase nominations going into second quarter, it appeared there was potential for generally flat pricing with the exception of a major downward correction for PP.
Read MorePrices Up for All Volume Resins
First quarter was ending up with upward pricing, primarily due to higher feedstock costs and not supply/demand fundamentals.
Read MoreAustrian Recycler's Mission to Recycle PET Takes It Beyond Bottles
Mission PET supplements bottle-to-bottle capability with alternative applications for recycled PET.
Read MoreProcessing Plant Tour
Engineering Resins Compounder Expands to Take on More Scrap
Polymer Resources responds to sustainability push by upgrading plant with grinding and shredding equipment to take on both postindustrial and postconsumer reclaim.
Read MoreBack 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 MoreTechnology in Depth
Five Ways to Increase Productivity for Injection Molders
Faster setups, automation tools and proper training and support can go a long way.
Read MoreDigital Twin Creates New, Virtual Paths for Robots with Real-World Cycle-Time Impacts
Realtime Robotics seeks to get more robots involved in manufacturing by addressing the biggest current barrier: programming costs.
Read MorePHA Compound Molded into “World’s First” Biodegradable Bottle Closures
Beyond Plastic and partners have created a certified biodegradable PHA compound that can be injection molded into 38-mm closures in a sub 6-second cycle from a multicavity hot runner tool.
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KNOWLEDGE CENTERS
Gain in-depth knowledge in processes, products and technology from industry experts
Trending
- Understanding the Effect of Pressure Losses on Injection Molded Parts
- Finding Efficiencies in How Components Work Together
- Processing Megatrends Drive New Product Developments at NPE2024
- How To Design Three-Plate Molds – Part 4
- Four Industry 4.0 Tech Adoption Insights from Indiana Plastics Manufacturers
- Real-Time Production Monitoring as Automation
- New Blown-Film Cooling Technologies Set to Debut at NPE2024
- The Fundamentals of Artificial Intelligence and Machine Learning and Their Application to Injection Molding
- Unraveling the Science and Myth Associated With Moisture Analysis — Part 2
- Use Purging Compounds to Mitigate Processing Challenges of PCR and PIR
Solutions
How to Configure Your Twin-Screw Extruder for Mixing: Part 5
Understand the differences between distributive and dispersive mixing, and how you can promote one or the other in your screw design.
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The Role Barrel Temperatures Play in Melting
You need to understand the basics of how plastic melts in an extruder to properly set your process and troubleshoot any issues. Hint: it’s not about the barrel temperature settings.
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Fundamentals of Polyethylene – Part 6: PE Performance
Don’t assume you know everything there is to know about PE because it’s been around so long. Here is yet another example of how the performance of PE is influenced by molecular weight and density.
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Latest Issue
Essential Reading
Best of Fattori, Tooling Know How
In this collection of articles Jim Fattori offers his insights on a variety of molding-related topics that are bound to make your days on the production floor go a little bit better.
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Screw Design Tips to Boost Productivity
In this collection of articles, two of the industry’s foremost authorities on screw design — Jim Frankland and Mark Spalding — offer their sage advice on screw design...what works, what doesn’t, and what to look for when things start going wrong.
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Fundamentals of Polyethylene – Part 5: Metallocenes
How the development of new catalysts—notably metallocenes—paved the way for the development of material grades never before possible.
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Polyethylene Fundamentals – Part 4: Failed HDPE Case Study
Injection molders of small fuel tanks learned the hard way that a very small difference in density — 0.6% — could make a large difference in PE stress-crack resistance.
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What You Need to Know About the Design and Operation of Maddock Mixers
Designed properly, all entering solid polymer fragments and certain types of PE gels entering the Maddock mixer can be trapped and dispersed into the matrix resin. But many are not properly designed. Here’s what to look out for.
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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.
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Latest News and Products
Compact TCU Retains Power, Precision and Configurability of Bigger Systems
NPE2024: Conair’s MicroTemp Thermolator temperature control unit (TCU) is its smallest ever measuring just 14.7 ×y 15.6 ×y 18 inches.
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New Rotary Die and Cam Lock Design for Tubing
NPE2024: New design enables quick and easy assembly and disassembly of the crosshead, and eliminates the socket head cap screws.
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All-Electric Shuttle Debut at NPE
NPE2024: R&B Plastics Machinery’s new small-to-middle-size model is suited for up to six parisons and containers up to 5 L.
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Carbios and Partners Celebrate Groundbreaking for PET Biorecycling Plant
New plant will use enzymatic process to depolymerize PET.
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Clear Amorphous Nylon for Flexible Food Packaging
NPE 2024: NYCOA’s NY-Clear 6I/6T nylon targeted for packaging and precision molded applications.
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Manual Leak Tester and Vision Option
NPE2024: New from ALPS Inspection are the affordable BenchPlus manual leak tester and a vision option to add defect detection to leak testers.
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Performance Phosphite Antioxidant and Extended Service Life UVA for Polyolefins
NPE 2024: Songwon’s Songnox 9228 phosphite enhances resistance to oxidative corrosion while Songsorb 1164 UVA outperforms benzotriazoles.
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Cobot Palletizing System for Bottles
NPE2024: Proco Machinery’s new collaborative robot system palletizes bottles with trays and tier sheets up to 104 in. high.
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