Glass beads for Road Marking AASHTO M247

glass beads made according to international standard include:BS6088,KS and AASHTO,EN1423 etc.

Glass Beads

1) Product FunctionEnhance the road marking line contrary reflection function. When driving at night, the lamp shines on the marking line with glass bead in it, the ray of lamp is reflected back parallely. So the driver can look at the road clearly and drive safely at night.2) Product Specification:The main products:1. Type 1, 2 size distribution according to American Standard AASHTO M247 .Table 1 Glass bead Size Distribution (AASHTO M247 International Standard)

Type	Glassbead granul diametre limit(μm)	Glass bead quality percentage(retained %)
1	over 850	0
	850~600	5~25
	600~300	40~80
	300~150	10~35
	less 150	0~5
2	over 600	0
	600~425	0~10
	425~300	15~50
	300~180	45~75
	less 180	0~5

2.Products according to international standard include:BS6088,KS and AASHTO,EN1423 etc.3.You can choose different size glass bead between 50μm-1180μm according to different funcition.3) Technical referencesAppearance: Colourless and transparent ball, no visible bubbles and impurity.Spherical beads:80%(600Sieve size850um,spherical beads 75%)Density:2.4-2.6g/cm3Refractive index:Nd≥1.50 Glass bead composition: The glass bead is made of sodium and calcium. SiO268%4) Package:1.Using double-deck package, the inner is polythene film and its thickness is not less than 0.5mm,the outer is plastic woven bag to prevent leak or damp. The net weight of each bag is 25±0.2kg.2.Using double-deck package, the inner is polythene fim and its thickness is not less than 0.5mm, the outer is plastic woven bag to prevent leak or damp. The net weight of each is 1000±8kg.3.According to clients' requirement. )

Glass beads for Road Marking AASHTO M247