Thermoplastic Road Marking Paints Thermoplastic Road Marking Paint Thermoplastic road marking paint, also called hot melt marking paint, is a kind of powder paint. When applied as road surface markings, a hot melt kettle is used to heat it to 200 °C, after which it is sprayed on the road surface.It is use for:- Road Edge line markingParking marking for two wheeler & four wheelerZebra CrossingRumble Strip MarkingSpeed breaker marking