CE1 plug-in NB reusable rubber seal 4 CE Electrodes Udo Plante GmbH supplies hollow profile copper elec- trodes in all required lengths for EDT machines produced by Herkules, Kleinknecht, and Waldrich Siegen. Electrodes for EDT machines are normally made of the material E-Cu. Highly sensitive texturing procedures can benefit from higher quality materials, such as SE-Cu or OF-Cu. CE2 bonded polyurethane seal C E 2 1 0 0 - - -2 Seals Optionally we offer two different seals for hollow profile copper electrodes. All CE electrodes are stamped with the UP logo. C E 2100 - - -2