Screw Neck ND18 vials 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
• Good handling with gloves
• Quick assembly

Screw Neck ND18 vials constructed from type I borosilicate glass with low metal content. Vials are available in clear with a flat bottom. Associated screw caps mostly available with assembled septa are engineered to prevent sample contamination while providing consistent, secure seals. The use of closed caps allows the samples to be stored for a long time (long-term storage applications).