Specifications include, but are not limited to:. REFLECTORIZING SPHERES FOR TRAFFIC PAINT DESCRIPTION. This specification covers dual coated glass spheres to produce reflectorized pavement markings. Waterborne and VOC compliant solvent borne traffic paint: use dual coated beads (moisture resistant coating and adhesion promoting silane coating). The glass beads shall not exhibit a characteristic of toxicity, relative to heavy metals. Glass beads shall not contain more than 200 ppm total of lead, antimony, or arsenic. Manufacturer shall provide a certificate of analysis stating total lead, antimony, and arsenic content for each batch of glass beads supplied. Use transparent, clear, colorless glass spheres that are: Free from milkiness, dark particles, and excessive air inclusions. Essentially clear from surface scarring or scratching. Free of hard lumps and clusters Readily dispensed under any conditions suitable for paint striping.
