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 

20ml ND18 Headspace Screw Vial (clear), 75.5 x 22.5mm, rounded bottom, 20ml ND20 SPME Headspace Crimp Vial (clear) with special crimp neck, ...

Headspace Vials & Accessories · 10ml ND20 Headspace Crimp Vial (clear) with long DIN crimp neck, 46 x 22.5mm, flat bottom, pk.100 · Switch the web-site view?

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 

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 

USP Type 1 "neutral" Borosilicate Glass material provides higher quality material that is more resistant to thermal shock · Clear color provides for an 

Headspace Vials, ND20, 5 mL, 20x38 mm, Standard Neck, Flat Bottom, DIN Finish ; Glass Color, Clear ; Marking Spot, No ; Material, Boro 5.1 ; Height (mm), 38 ; Bottom 

This product is an alternative to the products (SKU) of these brands: Aijiren: (alt.) - Aijiren Technology:- Chromacol: 20-CV (alt.)