We need the road paints for road marking.Glass beads for road markingProperitiestechnical details: A outer clean and transparent, without visible bubble and impurity. B specific density:2.50g/cm3c index of refraction: Nd. =1.55d content of sio2:72%e spherical beads: >86%Usereflective glass beads, these beads are especially made for use in road marking paints and thermoplastics to provide excellent night retro-reflectivity.Standardsbs 6088 class a/b?bs en 1423/1424? aashto tyep i/ii? arabic intermix/drop on grades? korean standard? french standard? australia standard/newtherland standard? canada standardPackingnw.:25kgs packed in poly paper bags liner with plastic film.