A tooth v belt is one kind of v belt which shape is made as tooth. It includes a tensile body embedded therewithin and the tooth surface thereof coated with a tooth sheet, wherein the tooth sheet is treated by RFL solution including inorganic pigments. The toothed belt, after treatment by RFL solution, forms an RFL solution impregnated layer at the tooth surface thereof.
A single or multiple strand molded notch V-belt and a method for its production is described. The method is characterized by use of an open-ended mold having rigid transverse notches and longitudinal ribs forming a plurality of mold cavities. The belt has undulating mold-formed notches which in one embodiment carry a fabric facing of a particular design to retard initiation and propagation of undercord cracks during operation of the belt around associated sheaves.