subject: On The Pervious Performance During Use Of Permeable [print this page] Glass Bead is a good road reflective material, its use as a foreign road, highway and road signs on the airport runway. At night Car Traffic, aircraft movements, light vehicles and aircraft formed according to the reflective glass beads for the lead line and navigation. Eighties and nineties of the 20th century, China has developed this new type of reflective material, the beginning effects can also be used, but then over time, glass bead reflective effect is getting worse, and finally can not be used the. The source, because the use of glass beads poor environment. Dust in the air in most parts of China large amount of particulate matter too much road dust bowl and roll, plus roads, airport runways measures inadequate or no cleaning, floor dust, Yu Xuetian are covered in mud as the road logo glass beads, the lack of time cleaning, bead dust, the reflective function is not surprising that eventually disappeared.
On The Pervious Performance During Use Of Permeable