1.5ml glass vial

Screw thread vials and caps provide low evaporation, reusability, less hand injury during manipulation than crimp seals and require no special tools. All screw threads vials and caps are differentiated by their thread finish as defined by the Glass Packaging Institute, GPI. For screw thread vials, a two part number is assigned. For example, 8-425 neck finish represents a vial with a diameter of 8 mm across the outside of the threads and a thread style of 425. Screw thread vials and caps are more expensive than crimp seals.

Standard vials for GC and HPLC
40% larger opening than standard narrow opening vials enables easy filling and improves auto-sampler needle accuracy.
Provides the tightest seal.
Precision-formed neck for improved autosampler handling
Clear glass vials–made from USP Type I, Class A, 33Borosilicate Expansion glass
Amber glass vials—made from USP Type 1 Class B, 51Borosilicate Glass.