These vials are manufactured from Type 1 Class A borosilicate glass. The radius bottom vials can be used on LEAP Technologies Inc, CTC Analytics, Varian, 

However, substandard vials, caps, and septa can lead to sample loss, contamination, and damaged autosampler needles. Stop unexpected peaks from impacting.

Headspace Vials ND18 ND20 A handy and inexpensive vial/closure combination for ... 1.5ml amber screw vial w/graduated marking spot, 8-425 thread.

SureStop vial (over-tightening impossible due to twist stop function) Crimp neck and headspace vials ND20 need to be able to withstand very high ...

The bottle cap produced by this patented method truly combines the septum and the cap at the molecular level, which can avoid excessive evaporation and keep 

20mL Amber, Crimp Neck Headspace Vial, ND20 Round Bottom, 22.5x75.5mm, USP type 1, 100/pk, CV2037. Free Samples Available, Stock Ships in One Business Day, 

Certified by GC/MS to be contaminate free for VOC analysis. 10ml, 20ml clear or Amber precision thread vial. Magnetic screw caps 8mm center hole.

Made from borosilicate glass conforming to USP Type I and ASTM E438,. Type I, Class B requirements. HEADSPACE. VIALS. Page 9. 9. ND20.

This 20 ml headspace vial (ND20) is produced out of clear tubular borosilicate glass of the 1st hydrolytic class. This vial is manufactured according to 

Crimp Neck Vial. 40 x 7mm. 40 x 7mm. 40 x 7mm. 40 x 7mm. 40 x 8.2mm clear glass amber glass clear glass amber glass clear glass flat bottom flat bottom.

Headspace Vials + Closures ND20 + ND18 (Headspace Compatibility Chart) version with the sure-stop function for the lowest evaporation rate of all.

Clear and amber glass vials with a rounded or flat bottom, and volumes from 5 to 20 ml and closures. A rounded bottom vial is more sturdy and resistant to 

*A headspace cap is a safety cap for headspace analysis, which should avoid explosion of the vial in case of too much internal pressure.