Single use seal on ultra high vacuum flanges. Copper solid gaskets fit between the same size UHV/CF flanges to make a impermeable seal. Copper is relatively soft, the steel knife edges of the flanges bite down on the copper as the flanges are tightened toward each other.
Designed to provide excellent sealing and durability. Fabricated from high quality material. Heat resistant as well as reusable. Features a precision die cut. Backed by a limited warranty.