Aug 12, 2021 · mm Crimp Top HPLC Vial for aijiren Tech--aijiren Vials for 9mm thread caps, septums, 9mm 2ml HPlc screw vials are specifically designed for use with aijiren Tech and other rotating or robotic arm samplers. 9mm2ml Hplc screw vials are manufactured in transparent glass, Type Class A or Amber, Type Class B borosilicate glass and contains a write patch for sample identification.