Reprosil SEC columns are packed with silica based media for aqueous size exclusion chromatography available in 3, 5 and 10 µm particle size. Within this brand, 7 stationary phases with different pore are available in various column dimensions for the separation of molecules in the molecular weight range of 500 Da up to > 1.250 kDa covering applications such as peptides and proteins up to virus particles. Reprosil SEC columns are an excellent alternative to TSKGel G-SWXL series, Yarra, Biosep and other silica based SEC columns.