September 2025 Issue
September 2025
Digital Edition
Features
Featured articles from the September 2025 issue of Plastics Technology
Big-Pipe Processor Saves Big on Materials
Egyptian pipe producer saves more than $1 million in materials to produce large-diameter pipe thanks to battenfeld-cincinnati extrusion technology.
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Steady Output, Slight Gains in July Offer Cautious Optimism for Plastics
The GBI remains below the growth threshold of 50, but the past four months point to a gradually improving business outlook.
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Bringing Order to the Chaotic Debate of Turbulent Flow in Injection Molding
Is turbulent flow required for all cooling channels to optimize the cooling process in injection molding? It depends. Author reviews the Reynolds number, advanced cooling technologies, simulation’s potential role and more.
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September 2025: Prices for the 5 Commodity Resins Relatively Stable
Despite some price increase initiatives for PE, PP and PS, flat pricing dominant.
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Polymerization Made Simple: Basics for Understanding Plastic Behavior
Why knowing how polymers are made helps you work smarter with plastics.
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Inside the Pellet
The Materials Symposium at PTXPO 2026 will help molders better understand the materials they process day in and day out on a more fundamental level.
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Building a Screw-Cooling System
Screws have been cored for cooling since the early 1960s. In many processes, however, screw cooling is not utilized. Here’s an optimal design for a screw-cooling system.
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