aijiren 2ml HPLC Vial Insert for Sale-aijiren Hplc Vials 2ml clear vials with caps for sale--Lab Vials Manufacturer The 2ml HPLC Screw Vials are made from clear/ amber, Type I borosilicate and 33 expansion glass.2ml Amber HPLC Screw Vials with unique thread design ensures consistent seal and can be reused, not volatile, easy to use, Reduce the chances of bent or broken needles during sampling.