Heat-sensitive recording material

摘要

A heat-sensitive recording material including, on a support, a heat-sensitive color-developable layer containing an electron-donating colorless dye and an electron-accepting compound, wherein the electron-accepting compound contains a compound represented by R<1>-Ph-SO2R<2>, and an adhesive strength when an adhesive sheet such as a revenue stamp is affixed to a recording face of a heat-sensitive recording paper made of the heat-sensitive recording material is larger than a given value, and a center line average roughness Ra75 of the heat-sensitive recording face is 2.0 mum or less.