How to identify reflective tape level ! ordinary bright, high bright, bright silver?

Of glance vest reflect cloth basically is divided into below according to brightness, compound craft and color can be divided roughly ordinary bright reflect tape , high bright reflect tape and bright silver reflect tape.ordinary bright reflective tape is gray, the glass beads have not been aluminized, reflective brightness is generally around 5-20, suitable for stitching in the reflective brightness requirements are not high lightweight fabric, such as reflective vest does not meet the standards.

The high bright reflective tape is silver gray during the day, with aluminized glass beads visible on the surface, and can reflect up to 420 CD /lux/m. It is suitable for stitching on a variety of reflective vests and other lightweight fabrics.