Pulled point interior Conical glass The 250 µL Polyspring insert features a conical shape and a pulled point interior. As with all Polyspring inserts, it features a polyethylene spring that serves to center the bottom of the insert and to provide a cushion against needle contact.…

PTFE Disk septa are chemically inert PTFE Red Rubber septa are economical for many GC applications PTFE/Silicone septa are most popular for HPLC and IC applications Pre-slit septa are easier to pierce with thin gauge needles

Provides a consistent seal independent of user, or the amount of torque applied when closing vial Provides optimal septum compression across the opening of the vial Design allows the positioning of the closure to be consistently “flat” producing a more cylindrical vial profile, which improves…

National Scientific Certified vial kits are fully lot tested for 19 critical characteristics to provide the extra assurance that time after time the vial that you use upholds the rigorous manufacturing standards of National Scientific. National Scientific Certified Vials are offered as unassembled…

Fits most autosamplers Crimp seal finish Flat or rounded bottoms Beveled edge Type 1 borosilicate glass Clear glass vials with 20mm crimp seal finish are designed to fit most headspace autosamplers Flat bottom vials maximize heating efficiency when used with bottom Round…