Designed for use with 20mm headspace vials, the BiMetal Seal is comprised of tin and aluminum materials. The outer surface (red or blue) is aluminum and the inner diameter is a silver tin. The Seal is available preassembled with a .118" PTFE/Silicone Septa or a .100" PTFE/Silicone Septa.
Receive your quote directly from J.G. Finneran Associates, Inc for BiMetal Seals - Magnetic (20mm)