Thermographic recording materials preferably contain waxes, e.g. carnauba wax, montan wax, paraffin wax, polyethylene wax, condensates of higher fatty acidamides and formaldehyde, or condensates of higher fatty acids and ethylenediamine.The invention is illustrated by the following Preparatory and Use Examples, in which parts and percentages are by weight, unless otherwise indicated.PREPARATORY EX