Avantor, VWRI548-1994A, VWR®, Crimp Neck Headspace Vials ND20

Headspace ND20 vials with crimp neck manufactured from 1st hydrolytic class borosilicate glass in both flat bottom and round bottom style. They can be purchased with a variety of aluminium seal styles and septa materials.

High performance caps/septa
Available with flat DIN crimp neck for tighter seal
Thicker wall 1,2 mm withstand higher internal pressure

Headspace ND20 vials are available in three different sizes (5, 10 and 20 ml) in amber or clear version. For use in a broad variety of instrument platforms the vials are available with round or a flat bottom. During the heating process a rounded bottom vial is more resistant and robust to high pressure. Broad range of different crimp caps (center hole, tear off, pressure release or magnetic) mostly available with assembled stopper or septa are engineered to prevent sample contamination while providing consistent, secure seals.