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Polymers

Vinyl records could be things of the past

by Alexander H. Tullo
October 30, 2023 | A version of this story appeared in Volume 101, Issue 36
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Two records, black and blue, that are made from recycled polyethylene terephthalate.
Credit: SK Chemicals
Records made from recycled polyethylene terephthalate

South Korea’s SK Chemicals and Sonopress, the manufacturing subsidiary of the German media company Bertelsmann, have developed a material for making records that might replace the polyvinyl chloride used for decades. The new records are made from recycled polyethylene terephthalate, which SK processes chemically at a plant in China. Sonopress has been trying to find an alternative to vinyl for 2 years; for the new record, it developed an injection molding machine that exerts a pressure of 300 metric tons.

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