EN 1424:1997/A1:2003

This European standard specifies the requirements for laboratory tests (Product control) and qualification procedures for the following material used in road marking materials. The requirements taken into consideration in this standard are: - granulometry; -refractive index of the glass; - chemical resis- tance; - quality; - surface treatments. This standard does not cover the glass beads used as a filler in the marking products.