ND2.2 Glass Beads

  • ND2.2 Glass Beads Manufacturers, ND2.2 Glass Beads Factory, Supply ND2.2 Glass Beads
  • ND2.2 Glass Beads Manufacturers, ND2.2 Glass Beads Factory, Supply ND2.2 Glass Beads
  • ND2.2 Glass Beads Manufacturers, ND2.2 Glass Beads Factory, Supply ND2.2 Glass Beads
  • ND2.2 Glass Beads Manufacturers, ND2.2 Glass Beads Factory, Supply ND2.2 Glass Beads
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ND2.2 Glass Beads
  • 3G
  • china
  • 10 days
  • 5000 kg

ND2.2 glass beads are high index refractive glass bead, used for “Enclosed-Lens” type retro-reflective articles, such as engineering grade film, super engineering grade film.

ND2.2 glass beads are high index refractive glass bead, used for “Enclosed-Lens” type retro-reflective articles, such as engineering grade film, super engineering grade film. 

As for glass bead for film ,is used in for billboards, traffic sign boards, vehicle number plates, reflective stick sheets or industrial safe sign boards and so on.

ND2.2 glass bead can not exposed into air directly, otherwise, there is weak reflective brightness.  It should has a layer thin film on the beads surface. For printing usage, this retro reflective glass bead  is more suitable used in rain day or under water.

 

ND2.2 glass bead Technical Data


Composition

TiO2-BaO-ZnO GLASS

Refractive Index

2.2±0.1Nd

Specific Gravity

4.5±0.2 g/cm3

Color

White to Slight Yellow

Form:

Fine spheres powder

Size

60-80um;50-65um;

45-55um;38-45um; 

20-30um;

(can be provided by specific request)

Roundness

≥95%

Opacity

≤3%


“Enclosed-Lens” type retro-reflective articles: A cover film disposed in front to the glass bead so that said bead do not exposed in air. Engineering Grade and Super Engineering Grade belong to this type. Said glass beads are 2.2nd glass bead


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