CHARLOTTE, N.C., May 8, 2014 (GLOBE NEWSWIRE) -- Polypore International, Inc. (NYSE:PPO) today announced that its Celgard subsidiary and Panasonic Automotive and Industrial Systems Division ("Panasonic") have entered into a long-term supply agreement under which Panasonic will purchase Celgard® brand separators to be used in its large-format electric drive vehicle lithium-ion batteries.
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