8-425 screw thread caps and vials are often used in conjunction with Shimadzu, Agilent, Spectra-Physics, Varian, and other autosamplers. Vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass and include a write-on patch for sample identification. Caps are made of high quality polypropylene to exact manufacturing tolerances and lined in a controlled manufacturing environment. Our septa use only the highest quality materials to ensure proper function and can be pre-slit to ease needle penetration. Designed for multiple injections and/or longer sample cycles - for both GC and LC applications . High quality silicone compounds are used to ensure proper re-sealing and reduced chances of coring. Features: Volume/Capacity:  2.0ml (Normal Volume) Feature: 12*32mm vials, 8*1.5mm PTFE/Silicone septa, 8mm PPscrew cap Qty/Pack: 100/pack Model:  8-425 Standard opening screw-thread vials chinalabsupplies007ATgmail.com