11mm aluminum crimp top seals have a larger opening to ensure proper needle penetration. 2ml, 12*32mm 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 aluminum. 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 Absence of pigments eliminates additional sources of contamination. 005ATchinalabsupplies.cn Features: Volume/Capacity:  2.0ml (Normal Volume) Feature: 12*32mm vials, 11*1mm PTFE/Silicone septa, 11mm Aluminum crimp cap Qty/Pack: 100/pack Model:  11mm wide opening crimp-top vials

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