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Aluminum (Al) Coating

Aluminum (Al) coatings on microspheres offer advantages in developing retroreflective surfaces for high visibility materials and applications. The hemispherical (half-shell) aluminum coating creates the mechanism for retroreflectivity as the light passes through the clear half of the glass bead and “bounces” off the reflective aluminum-coated back surface, directing the light back to the source or the viewer. Additional surface coatings (silane or fluorochemical) ensure that the spheres remain on the surface of the formulation, thereby enhancing the effect of retroreflectivity.


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Retroreflective Half-Shell Aluminum Coated Solid Glass Microspheres
Product ID: P2453BTA-4.2 30-100um
Retroreflective Half-shell Aluminum Coating on Solid Barium Titanate Glass Microspheres
Density 4.1-4.5g/cc. Particle Size 30-100um. Uncoated, Silane and Fluorochemical Coatings
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Price: $99.00-$550.00


Products 1-1 of 1