Historical
BS EN 1423:1998
Road marking materials. Drop on materials. Glass beads, antiskid aggregates and mixtures of the two (British Standard)
This European Standard specifies the requirements for laboratory tests (Product control) and qualification procedures for the following drop on materials used in road markings. These materials are dropped on to paints, thermoplastics, coldplastics and any other marking product applied in a liquid state, immediately after application to the road surface.
British Standards Institution [bsi]