Glass beads-JGB GBT-has been selected and classified based on the refraction, reflection, roundness and the ratio of uniform of the beads. JGB GBT, the beads size is fine, is used in the normal road marking reflection paint that requested the thin and fine paint layer. JGB GBT meets the standard GB/T24722:2009 #1. Excellent for road marking, specially to improve the visibility at night. ***JGB GBT: External: transparent, clean, no bubble, no impurity Roundness: 80% Refraction index: 1.50
