The TSKgel G2000Hhr (20) HT2 (ultra-high temperature) column is packed with rigid, porous, polymer beads. It is used for the analysis of organic-soluble polymers at extremely elevated temperatures. This column is for applications up to 220 °C and is shipped in o-dichlorobenzene (ODCB), which can be exchanged for 1-chloronaphthalene and trichlorobenzene.