Highway Safety > North America > Products > Premix and Intermix Spheres

By: Potters Canada  09-12-2011
Keywords: Beads, highway safety

As the striping material wears, the glass spheres that are blended in the material are exposed to give

continuous retro-reflectivity, increasing the life of the material.

In thickly-applied materials, such as thermoplastic or MMA, the blended spheres are referred to as

"intermix" beads. The size of the intermix beads in these materials is usually similar to the size of the

drop-on highway safety marking spheres.

In thin film paint materials, the blended spheres are referred to as "premix" beads. Premix beads are

typically smaller than drop-on paint highway safety marking spheres.

Both intermix and premix give continuous retro-reflectivity on pavement markings that wear and

lose the reflective top dressing of highway safety marking spheres.

Keywords: Beads, highway safety

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