Aluminum backed TLC plates reverse phase C-18 TLC plates.
Because of a thicker aluminum support (about 0.15 mm thick) they are much more stable and easier to cut than glass or plastic backed TLC plates. Even a 20 x 20 cm Aluminum backed TLC plate has a torsional strength that is almost as good as a glass plate. The aluminum backed TLC layer features an outstanding adherence, which allows cutting of the sheets to any size desired without disturbing the sorbent layer. A support of plain aluminum foil is coated using the same time-tested binder system as for our TLC glass plates. For eluents containing high concentrations of water we recommend our pre-coated Aluminum TLC plates.
