The 4ml screw vial has the following characteristics and advantages: The glass is made of high-quality materials, namely borosilicate glass, imported glass materials, and corrosion-resistant. The gasket is made of chemically inert PTFE (polytetrafluoroethylene), and flexible silicone resin is compounded by a special process. The vial is pollution-free and can be used immediately after purchase without cleaning. This product is a universal sample vial, suitable for various types of autosamplers, such as Aijiren, Shimadzu and Varian. The vialneck size is accurate, easy to grasp and correct. The flat bottom is guaranteed to match the liner.
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