Matthew Naitove Contributing Editor
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Fast, Simple, Low-Cost Method Unveils ‘True’ Melt Temperature
Long a mystery to injection molders, actual temperature of melt entering the mold is said to be revealed by an easy procedure that is repeatable and takes less than a minute.
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How Graham Packaging Counters PCR Supply/Demand Squeeze
Customers want more PCR—including food grade—than recyclers can supply. Solutions involve efforts to educate customers, employees, and the community at large. New technologies also offer hope.
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Injection Pairs with Blow Molding for In-Mold Assembly
At Sussex IM, compact cells of side-by-side injection and blow molding machines “assemble” reusable water bottles with insert blow molding and automated transfer, trimming and leak testing.
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Reopening America: Winnebago Industries Goes Back to Work
Plants in five states have reopened, after a variety of measures taken to support employees, customers and communities.
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100% Recyclable PET Vies to Replace Composite Cans
Ring Container Technologies, Oakland, Tenn., a blow molder of HDPE and PET packaging, announced the first customer for its new SmartCAN, a PET can designed to replace the common composite can with a much more easily recyclable alternative at comparable cost.
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Plasma “Glass” Barrier Coating Developed for Reusable PET Bottles
IKV and KHS Corpoplast in Germany collaborate on SiOx barrier coating that can withstand caustic washing for multi-trip PET bottles.
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Coronavirus Emergency: Ventilator Valves 3D Printed at Hospital
Valves in short supply made in hours with FDM and SLS printers. New heat-resistant material shows promise.
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Tooling: Heat-Resistant 3D Printing Material Suited to Plastic Tooling
A tough, heat-resistant resin for 3D printing was introduced last November by 3D Systems.
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Thermoformed Detergent Tub Now Contains 50% Recycled PP
Tub sits inside a recycled cardboard wrapper that permits a 40% reduction in the overall weight of plastic.
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Injection Molding Gains an Edge in Motorcycle Gas Tanks
Complex shapes required for the latest motorcycle gas tanks favor injection over blow molding. Lanxess and BMW have a monolayer nylon solution.
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320 L Hydrogen Tank Liner Blow Molded in Nylon
Large liners for hydrogen composite pressure vessels are a challenge to blow mold. Kautex found a material and a technique to achieve a world “first.”
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Injection Molding: Better Flow Simulation with Fiber Reinforcements
Long and short fibers align during flow in the mold, and this, in turn, influences the flow pattern. New math helps Moldex3D simulate this phenomenon.
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