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Chromatography column is the main body and carrier of column chromatography technology, which is used for the loading of separation medium. There are many kinds of specifications and models from laboratory test to industrial production. According to the difference of solvent tolerance and pressure tolerance, there are differences in the selection of column pipe, sealing material and distributor design. We must be careful in the selection. HP series chromatography column adopts unique flange design, with higher pressure resistance and good sealing performance!