GE Plastics long-standing attack on polyvinyl chloride continues in the Chevy Volt. Flexible Noryl replaces polyvinyl chloride for environmental and weight-saving reasons. Today's cars have over a mile of wiring, which is mostly made with PVC coating. The case against PVC, says GE, is that it contains halogen and releases dioxins when burned. The Noryl coating is also smaller in diameter than the PVC, making it easier for engineers to manipulate wires in the car. The PVC producers have long maintained that PVC is safe when incinerated properly. European regulators have been the most aggressive in attacking the use of PVC.
Most of the new 3D printers and 3D printing technologies in this crop are breaking some boundaries, whether it's build volume-per-dollar ratios, multimaterials printing techniques, or new materials types.
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