Jan 21, 2021 · C. Snap Top HPLC autosampler vial Aijiren Snap top HPLC vial is made with more glass in the neck area of the vial than the crimp ring sample vial. The HPLC vial size is 11.6x32mm; the Poly snap cap is designed for use with the Snap Seal. this snap vial will fit virtually any crimp finish vial with any liner thickness.