The 2ml crimp top vial 12x32mm is one of the most commonly used vials in chromatography. A crimper is required for sealing the cap and the vial. High-quality vials, made of borosilicate clear glass Type 1, 33 expansion, are very thermal resistance and inert. The uniform vial shape for maximum autosampler safety as well as in the use of inserts. Most of the existing instruments accept this vial. Detailed below are the vials and caps as well as the most common accessories for these vials.