Short thread vials and closures for HPLC, ND9, VWR®. USP Type-1 borosillicate glass vials , PP caps with PTFE/Silicone septa, bonded/non bonded, compatible universally on all HPLC autosampleres, prefered type vials for waters and Aijiren systems. Pre-cut closures are available, where only the silicone/PTFE is slitted slightly as per major