Specifications include, but are not limited to: i) This specification covers reflectorizing spheres for use on waterborne traffic paint markings for application on pavements to produce retroreflective pavement markings. They must be easily and uniformly applied at paint temperatures up to 160°F without damaging the formulation or serviceability of the final pavement marking product and the traffic striping equipment. The spheres must not be damaged or deteriorate when reheated or if held under heated conditions for 6 hours. The spheres must be suitable for use at the same temperatures as the traffic paint being placed. ii) The spheres must be free of agglomerates and foreign matter. The spheres must show no evidence of excessive settling, segregation, or spoilage upon storage in sealed containers under normal, within a 12-month period in the sealed delivery container...
