The glass bead is transparant/clean/colorless/smooth , spherically shaped, free from milkiness, pits, or excessive air bubbles and conform to the following specific requirements. Material of bead is clear and colorless, commercial grade soda lime glass cullet that has been cleaned to remove any opaque particulate and other matter that may interfere with the reflective properties of the bead. We can produce all standard road marking glass beads. +gb/t 24722-2009 +ksl2521 +jis3301 +aashto m247 +bs6088 +en1423/1424 +ttb1325 +as2006:2009 +brazil +high brightness We become one of the lagest producers of glass beads in the north of china as our glass beads series products quickly open the global market. In 2005, the glass beads of gangde obtained certification of ksl2521 by ksa. In 2005, we put the marking paint production line into operation in shanghai. In 2006, the new workshop 2500m2 and introduced 16 precision injection molding machines and 6 automatic blister machines. In 2006, our company was certified by iso9001&14001. In 2009, gangde glass beads for road marking obtained en1423(850~180um) and (710~125um) certificate issued by the lga bautechnik gmbh.