NEN EN 1423 : 2012 C1 2013

Foreword
1 Scope
2 Normative references
3 Definitions
4 Requirements for glass beads
5 Requirements for antiskid aggregates
6 Mixture of glass beads and antiskid aggregate
7 Sampling
Annex A (normative) Test method to determine the refractive
                    index of the glass beads
Annex B (normative) Test methods to determine the resistance
                    of the glass beads to the effects of water,
                    hydrochloric acid, calcium chloride and
                    sodium sulfide
Annex C (normative) Glass bead imperfections
Annex D (normative) Test method to determine the quality of the
                    glass beads
Annex E (normative) Test method to determine the presence of the
                    moisture-proof coating
Annex F (normative) Test method to determine the presence of
                    floatation coating
Annex G (normative) Test method to determine the friability index
                    of the antiskid aggregates
Annex H (informative) Alternative test methods to determine the
                      quality of glass beads
Annex ZA (Informative) Clauses of this European Standard
                       addressing the provisions of the EU
                       Construction Products Directive
Bibliography

Defines the requirements applicable to glass beads, anti-skid aggregates, and the mixture of the two, which are applied as drop-on materials on road markings products (i.e. paints, cold plastics and thermoplastics).