Glass beads for roadmarking

Specifications 1.Blasting and grinding material

2.High quality low price good service

3.Supplier of Saint-Gobain

4.Many years of experiences

Glass Beads for Road Marking can improve visibility of the traffic markings and road signs and supply safer night driving conditions.
There are two Grades: Class A & Class B and high refractive index Glass Beads available. Class A is used to making manufacture of reflective thermoplastic road marking paint. Class B is used to be dropped on the freshly stripped paint surface on the road to give immediate enhanced visibility to night drivers.   Chemical and Physical properties:

Basic merterial	SiO2 62%
Shape	Spherical
Color	white
Specify gravity g/cm3	2.4-2.6
Hardness(Moh's)	5.5-6.0
Refractive index	1.5-1.6

  Size Distribution  

Type	Sieve size (um)	Retained by(%)
Class A(intermix)	1180	0-3
	850	5-20
	425	65-95
	<425	0-10
	Roundness	>70%
Class B(drop on)	850	0-5
	600	5-20
	300	30-75
	180	10-30
	<180	0-15
	Roundness	>80%

  Other sizes can be avaliable as your requirements.   Contact person:Susan Wang Tel:0086-371-63873855 Fax:0086-371-63691212