Column, LC, Shodex GPC KF-807, 20000A, 18um, 8.0 x 300mm. Target molecular weight range = 300,000 - 200,000,000 (estimated). Exclusion limit = 200,000,000 (estimated). The KF800 series is a standard organic solvent SEC (GPC) column that supports a wide range of applications from low to high molecular weight compounds. These columns fulfill USP L21 requirements. The shipping solvent is THF. The base material is Styrene divinylbenzene copolymer.