A blend of Weisskers Lux® Glass Beads and Ultra Lux® Glass Beads is used to gain improved reflectivity on thin-layered road marking. The so called DuoLux® beads can be manufactured and blended according to the customer demands and material and technical requirements.

Conformity to EN 1423, EN 1424, ISO 9001:2000,EC- CERTIFICATE OF CONFORMITY
Granulometry Range of glass beads diameter Sieve, micron Total segregated mass, %

125 -1250 microns

1250                    0-2
1000                     5-15
850                    10-30
600                     20-50
425                     40-80
250                    70-100
160                    80-100
100                    95-100

Chemical composition, % Silicon oxide – 72,1
Calcium oxide – 6,0
Sodium oxide – 15,0
Aluminium oxide – 2,2
Ferric oxide – 0,2
Magnesium oxide – 4,0
Sulfur oxide – 0,5
Dangerous substances (lead, arsenic, antimony) – none 
Refractive index  ≥1,50
Maximum weighted % of defective glass beads  20
Maximum weighted % of grain and foreign particles  3
Resistance to water, hydrochloric acid, calcium chloride, sodium sulfide  Resisting
Surface treatment of glass beads Embedment coated (Silan, Adhesion) (H)
Packing  Paper bags 25 kg Big bags 1000 kg