ND8 screw neck vials are manufactured from 1st hydrolytic class borosilicate glass with flat bottom. They can be purchased with a variety of polypropylene seal styles and septa materials.

• High performance caps/septa
• 8 mm screw vials can be used on all common autosampler
• Standard narrow neck design for GC and HPLC
• Wider opening for easy puncture
• PTFE/silicone septa, has excellent chemical inertness, acid and alkali resistance
• Screw black open top pp caps

ND8 screw neck vials are constructed from type I borosilicate glass with low metal content. Vials are available in amber or clear versions with a flat bottom to ensure compatibility with inserts. Associated screw caps, mostly available with assembled septa, are engineered to prevent sample contamination while providing consistent, secure seals.