CSN EN 1871 This document covers testing of physical properties of road marking materials by laboratory methods. The products covered and specified by this document are white and yellow paint, thermoplastic and cold plastic materials, with or without premix glass beads, to be used for permanent and/or temporary road markings on highways and other areas used by vehicular traffic. Other products and colours intended for road markings are not covered in this document. Not all physical properties listed in this document have to be specified. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.