reflective glass bead
1.93nd glass bead is used for “Exposed-Lens” type retro-reflective articles (e.g., open-type reflective sheets, reflective fabric. reflective tape, reflective yarn) and “Encapsulated-Lens” type retro-reflective articles (e.g., high intensity grade reflective sheet). It can also be used for reflective ink, paint and in the fields of personal security and protective products.I. Technical Data
Composition TiO2-BaO-SiO2 GLASS
Refractive Index 1.93±0.01Nd
Specific Gravity 4.1±0.2 g/cm3
Color White
Form: Fine spheres powder
Size 10-100um
(can be provided by specific request)
Roundness ≥95%
Opacity ≤1%Brightness
400-600 CPL for different type;
The brightness of glass beads used in the reflective fabric meet the EN-471 standard.
Aluminum coated glass bead is coated with a layer of aluminum on half sphere. It can highly enhance the reflective effect and be widely used for road signs, traffic safety goods, and reflective printing ink, or screen printing, etc.I. Technical Data
Composition TiO2-BaO-SiO2 GLASS
Refractive Index 1.93ﾡ
Specific Gravity 4.1ﾡ g/cm3
Color Silver grey
Form: Fine spheres Semi-coated with aluminum
Size 20-40um; 40-60um; 60-80um
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