Product Specification: The main products: 1.No.1-3 beads size distribution according to JT/T 446-2001 Standard of Chinese Traffic Ministry. Table 1 Glass bead Size Distribution (JT/T446-2001 International Standard) Item Glass bead size scope(ýým) Glass bead quality percentage(%) 1ýýDROP~ONýý >850 0 850-600 5-30 600-300 30-80 300-106 10-40 600 0 600-300 40-90 300-150 5-60 212 0