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 chinalabsupplies007at