Caps, Headspace, Screw Top, with White Silicone Rubber / Silver Foil Septa, fitted in Steel, Magnetic, Silver Caps with 8mm center holes. For use with 18mm Precision Thread Headspace Vials. MicroSolv Brand. 100/PK.
Silicone Rubber / Aluminum Foil has a durometer of 50⁰ Shore A (hardness) and is 1.3mm thick. Cap has ND18 Screw Threads.
Recommended with Perkin Elmer TurboMax® 16, 40 & 110 and other autosamplers.