KYNAR® PVDF FLEXIBLE LINERS ARE HERE! Written by Andrew Hotchkies on August 20, 2018. Posted in Kynar, Tank Liners. Leave a Comment Witt Lining Systems is excited to announce that we now offer flexible Kynar® PVDF drop in liners. Witt has worked hand in hand with both the resin manufacturer and an exclusive extruder to bring this exciting new material to the marketplace. Continue reading