Model 921 Pavement Markers consist of an ABS plastic shell filled with a tightly adherent potting compound. The shell contains one or two glass covered prismatic retroreflective faces as required to reflect light from a single or opposite directions. Color conforms to the color requirements of ASTM D4280.
Model 828 Pavement Markers consist of one or two PMMA prismatic cube corner lens and a thermoplastic ABS body. The abrasion resistant Model 828AR has a thin layer of untempered glass bonded to the Model 828 reflective surface. Color conforms to the color requirements of ASTM D4280.
Maintenance-free Apex Ceramic Pavement Markers feature a heat fired glazed surface that promotes self-cleaning and excellent daytime visibility.
The Apex Retroreflective Ceramic Markers combine the power of brilliant night time visibility with a self cleaning glazed surface for exceptional daylight visibility.