Plastics Technology - Dedicated to improving Plastics Processing.
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VOLUME 62 • NUMBER 08 COVER STORY Health, Environmental Concerns Give Non-Phthalate Plasticizers a Push New and improved formulations are displacing leading plasticizer DEHP; DINP's future is also now shakier. (Cover images: Eastman Chemical— right, Vertellus—left) By Lilli Manolis Sherman, Senior Editor 49 06 FROM THE EDITOR 08 STARTING UP CLOSE-UP 14 K 2016 Preview 18 Injection Molding 22 Thermoforming KNOW HOW 26 Materials 30 Injection Molding 34 Extrusion 38 Tooling KEEPING UP WITH TECHNOLOGY 54 Injection Molding 54 Blow Molding 55 Thermoforming 56 Extrusion 57 Materials 58 Compounding 59 Blending 60 Welding YOUR BUSINESS 63 Resin-Pricing Analysis 65 Gardner Business Index 66 Market Watch 67 Marketplace 72 Processor's Edge 46 On-Site Tips and Techniques Know Your Options in Valve-Gated Hot Runners A new wave of valve-gating technologies has emerged. Making the right choice can help molders boost their bottom line by increasing the profitability of the job for the life of the tool. By Bill Rousseau, Synventive Molding Solutions Chasing the Perfect Pellet Petoskey Plastics began recycling in 1978 and continues to expand its green footprint by offering pellets specifically for thin-gauge blown film. By Heather Caliendo, Senior Editor 2 AUGUST 2016 Plastics Technology PTonline.com