Piney Flats, TN. October 18, 2021- Microporous team celebrated our 50th year of operation in Northeast Tennessee. The Piney Flats facility began operation in 1971, and the products manufactured at that time were bowling balls, Ace-Sil separators, and battery cases. Several retirees were able to join us and shared many colorful stories from the past. A wonderful time was had by all!!
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