Hight standard reflective road marking paint glass beads

high reflective glass Beads for road marking paint

1.chemical composition

SIO2 : 67%-72% , AI2O3 2%- 2.5% , CAO 6%-8% ,MGO 3%-4%, NA2O 13%-15% , BAO ,TIO2 ,R2O FE2O3

2.Standard

APPEARANCE CLEAN, APPARENT, NO OBVIOUS IMPURITY

REFLECTION INDEX 1.5-1.61

GRAVITY 2.4-2.6 G/CM3

COMPOSITION SODIUM LIME GLASS

SIO2 CONTENT >62%

ROUNDNESS >75%