Crimp Caps With Septa found in: Crimp Caps With Septa, 8 mm Crimp Top Aluminum Cap with PTFE/Red Rubber Septa, 11 mm Poly Crimp Seals, PTFE Septa, 11 mm.. The 8mm crimp seal vials can also be used in 96-Well microplates for sample handlers that can utilize this format.