Snap cap vials cannot be pressurized. • 2 mL, 12 x 32 mm. • Use with any 11 mm snap or crimp cap. • Provides a total seal around Crimp vials - Sigma-Aldrich. Results 1 - 30 of 59 Vial crimp seals for SPME, 11 mm · SU860095. gold seal, magnetic (with 5 mm center hole), red PTFE/silicone/red PTFE septum, septum diam. ×