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IN BRIEF: Plastics, metals, and other materials

IN BRIEF: Plastics, metals, and other materials

Kadaladex(R) polyethylene naphthalate (PEN) film from DuPont Polyester Films was used in audio speakers using ferrofluids to dissipate heat from the voice coil. Film tested in both ester- and hydrocarbon-based ferrofluids at 125C showed virtually no change in properties, mass, or dimensions, and the fluids themselves were unaffected, the company says.

EverLastTM high heat-resistant, printable ceramic label materials from Imtec Inc. are pre-printed and fired and allow for automatic identification and data collection with all bar code symbologies. The materials are offered in a variety of structures, which allows for in-process identification, with temperature resistance extremes from -300 to 2,550F. Applications include those subject to mechanical shock and harsh environments, such as heat transfer processes and chemical treatments.

Spectar(R) copolyester from Eastman Chemical Co. can be recycled and incinerated, meeting environmental requirements. The copolyester is a second-generation PETG that addresses the need in the heavy-gauge sheet market for a higher-clarity resin less expensive than polycarbonate and significantly tougher than acrylic sheet, the company says.

S-2 silicone cleaner and surface-prep solvent from Dow Corning Corp. is a non-aqueous formulation based on volatile methysiloxane (VMS). The fluid can help companies reduce overall process emissions and simplify record keeping. Lab analysis confirms no-toxic constituents, ozone-depleting compounds, and no contribution to global warming.

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