Headspace Vial, Glass, 18 mm, Precision Thread Screw Neck, Round Bottom, 20 mL; 1000/pk

Designed for use in headspace analyzers|Made from Type I Class 51 borosilicate glass Select from 20 mm crimp neck or 18 mm screw neck vials|Type I Class 51 borosilicate glass provide excellent chemical resistance to various solutions. Vial design ensures full automation compatibility for headspace analyzers for both handling and needle positioning. Crimp and screw caps are available with various septum materials.|The precision thread vials features a thread with multiple screw turns which forces the septa against the vial to form a gastight seal. The screw thread guarantees the cap fits with a flat surface every time which ensures that the vial does not drop off the system magnet. Precision thread vials are compatible with 18 mm magnetic screw caps.