8-425 HPLC screw vial is made of borosilicate glass. This hplc vial mainly used for Shimadzu, Thermo fisher, Aijiren chromatography instrument. Aijiren is one of the largest chromatography consumables manufacturer and supplier, which supply all kind of autosampler vials, storage vial, TOC vial, Test tube, COD vial, reagent bottle and syringe