crimp vial with closures for hplc system- Aijiren Crimp Vials 2021-10-26 Our 2 mL crimp top vials and 11 mm crimp caps are the perfect fit for HPLC and GC instrument platforms across a wide variety of applications, including pharmaceutical, environmental, energy and fuels, forensics, materials science, biopharmaceutical, proteomics, and metabolomics.