- Bonded Teflon®-Faced Silicone Liners
White autoclavable open-top caps have a bonded Teflon-Faced Silicone Liner making them ideal for storage and retrieval of volatile solvents, sensitive compounds and corrosive chemicals. The liners consist of 0.055” of Silicone and 0.005” of Teflon. They are available in convenient lab pack quantities as well as larger case packs. These closures are designed to work with EZ-ExTraction™ vials.